![\"\u201d\u516c\u5f0f\u5f53\u3066\u306f\u3081\u201d\u306b\u9665\u3089\u305a\u306b\u300c\u6570\u5217\u300d\u306e\u554f\u984c\u3092\u89e3\u304f\u305f\u3081\u306e\u8003\u3048\u65b9\u3010\u898f\u5247\u6027\u2460\u3011\"](\"https:\/\/www.cj-atelier.com\/wp-content\/uploads\/2023\/07\/eyecatch_uchida2306.jpg\")
\u6559\u79d1\u5225\u30b3\u30e9\u30e0<\/span><\/div>\u5b9f\u306f\u3053\u306e\u201c\u5468\u671f\u201d\u306b\u3064\u3044\u3066\u3082\u201c\u7fa4\u6570\u5217\u201d\u3068\u3088\u3070\u308c\u308b\u6570\u5217\u306e\u4e00\u7a2e\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u5468\u671f\u201d\u3068\u3044\u3046\u62ec\u308a\u306e\u4e2d\u3067\u8a18\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u7fa4\u6570\u5217\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u306e\u6d3b\u7528\u3067\u653b\u7565\u3059\u308b<\/span><\/span><\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff11\u300c\u7fa4\u6570\u5217\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u3067\u6570\u3092\u4e26\u3079\u3066\u3044\u3063\u305f\u3068\u304d\u3001\u6b21\u306e\u554f\u3044\u306b\u7b54\u3048\u306a\u3055\u3044\u3002
\n$1, 2, 5, 3, 2, 1, 2, 5, 3, 2, 1, 2,\u3000\\dots$<\/p>\n
\uff08\uff11\uff09$49$\u756a\u76ee\u306b\u4e26\u3076\u6570\u5b57\u3092\u6c42\u3081\u306a\u3055\u3044\u3002
\n\uff08\uff12\uff09$49$\u756a\u76ee\u307e\u3067\u306b$2$\u306f\u4f55\u500b\u4e26\u3073\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u4eca\u56de\u306e\u6c42\u3081\u65b9\u306b\u3064\u3044\u3066\u3082\u201c\u516c\u5f0f\u5f53\u3066\u306f\u3081\u201d\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u3001\u3057\u3063\u304b\u308a\u6210\u308a\u7acb\u3061\u3092\u7406\u89e3\u3057\u306a\u304c\u3089\u9032\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\uff08\uff11\uff09\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3092\u6d3b\u7528\u3057\u3066\u8003\u3048\u3066\u307f\u308b<\/span><\/h3>\n\uff11\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306f\u3001\u300c$1, 2, 5, 3, 2$\u300d\u306e$5$\u500b\u3067\u3059\u306e\u3067\u3001\u305d\u308c\u3092\u30bf\u30c6\u306b\u4e26\u3079\u3066\u307f\u308b\u3068\u3001<\/p>\n
\n\n$\\begin{eqnarray}1,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n1,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002$49$\u756a\u76ee\u307e\u3067\u306b$5$\u500b\u305a\u3064\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u3044\u304f\u3064\u3042\u308b\u306e\u304b\u3092\u6c42\u3081\u3066\u307f\u308b\u3068\u3001
\n$49 \\div 5=9$\uff08\u5468\u671f\uff09$\\dots 4$\uff08\u500b\uff09\u3068\u306a\u308a\u3001<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u30001,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n\u2461\u30001,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber\\\\\u2468\u30001,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\ \u2469\u30001,\u30002,\u3000&5&,\u30003\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$49$\u756a\u76ee\u306f$10$\u5468\u671f\u76ee\u306e$4$\u500b\u76ee\u3067\u3042\u308b$\\underline{3}$\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002
\n\u3053\u3046\u3044\u3063\u305f\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u66f8\u304d\u65b9\uff08\u201c\u30bf\u30c6\u7a4d\u307f\u201d\uff09\u3082\u5927\u5207\u3067\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3082\"\u30bf\u30c6\u7a4d\u307f\"\u306b\u3088\u308b\u8996\u899a\u7684\u306a\u7406\u89e3\u304c\u9375<\/span><\/h3>\n\uff08\uff12\uff09\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u3067\u3059\u3002\uff11\u5468\u671f\u306e\u4e2d\u306b$2$\u306f$2$\u500b\u305a\u3064\u3042\u308a\u307e\u3059\u306d\u3002\u3053\u308c\u304c$9$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u3042\u308a\u3001\u6700\u5f8c\u306e$10$\u5468\u671f\u76ee\u306b\u306f$1$\u500b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002\u3088\u3063\u3066\u3001<\/p>\n
\n\n$2$\u500b$\\times 9$\u5468\u671f$+1$\u500b\uff1d$\\underline{19}$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u6642\u3082\u4e0a\u8a18\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3088\u308b\u8996\u899a\u7684\u306a\u7406\u89e3\u304c\u5927\u5207\u3067\u3059\u306d\u3002<\/p>\n
\u5faa\u74b0\u5c0f\u6570\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f2\u300c\u5faa\u74b0\u5c0f\u6570\u300d<\/div>\n\n$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u305f\u3068\u304d\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u25a1\u3067\u3059\u3002<\/p>\n<\/div>\n<\/div>\n
\u3053\u306e\u554f2\u3082\u201c\u7fa4\u6570\u5217\u201d\u306e\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
\n\n$\u00a0\\frac{16}{37}\uff1d0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3001$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u300c$4,3,2$\u300d\u306e$3$\u500b\u305a\u3064\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u3001
\n$47 \\div 3=15$\uff08\u5468\u671f\uff09$\\dots 2$\uff08\u500b\uff09\u3068\u306a\u308a\u3001<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n\u2461\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber\\\\\u246e\u30004,\u3000&3&,\u30002\\nonumber\\\\ \u246f\u30004,\u3000&3&\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$16$\u5468\u671f\u76ee\u306e$2$\u756a\u76ee\u3067\u3042\u308b$\\underline{3}$\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u306e\u77e5\u8b58<\/span><\/h3>\n\u3061\u306a\u307f\u306b$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3059\u969b\u3001\u3082\u3061\u308d\u3093\u201c\u5206\u5b50$\\div$\u5206\u6bcd\u201d\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u304c\u3001<\/p>\n
\n\n$\\frac{16}{37}=\\frac{16 \\times 27}{37 \\times 27}=\\frac{432}{999}=0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3044\u3063\u305f\u3001\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u3092\u77e5\u8b58\u3068\u3057\u3066\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u5927\u5909\u7d20\u6674\u3089\u3057\u3044\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u500b\u6570\u5897\u6b96\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f3\u300c\u500b\u6570\u5897\u6b96\u300d<\/div>\n\n\u3044\u304f\u3064\u304b\u306e\u6570\u5b57\u304c\u3042\u308b\u898f\u5247\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u3089\u3093\u3067\u3044\u307e\u3059\u3002
\n$1, 1, 2, 1, 1, 2, 3, 2, 1, 1, 2, 3, 4, 3, 2, 1, \\dots$<\/p>\n
\uff08\uff11\uff09 \u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306b\u306a\u3089\u3093\u3067\u3044\u308b\u6570\u5b57\u306f\u4f55\u3067\u3059\u304b\u3002
\n\uff08\uff12\uff09$14$\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u3001\u306f\u3058\u3081\u304b\u3089\u6570\u3048\u3066\u4f55\u756a\u76ee\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c\u5897\u3048\u3066\u3044\u304f\u30bf\u30a4\u30d7\u3067\u3059\u3002\u554f\uff12\u307e\u3067\u3068\u540c\u69d8\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u3000&1&\\nonumber\\\\
\n\u2461\u3000&1&,\u30002,\u30001\\nonumber\\\\\u2462\u3000&1&,\u30002,\u30003,\u30002,\u30001\\nonumber\\\\ \u2463\u3000&1&,\u30002,\u30003,\u30004,\u30003,\u30002,\u30001\\nonumber \\\\&\\vdots&\\nonumber\\\\\\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$1$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$1$\u500b\u3001$2$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$3$\u500b\u3001$3$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$5$\u500b\u3001$4$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$7$\u500b\u3001$\\dots$\u3068$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c$1, 3, 5, 7, \u2026$\u3068\u5897\u3048\u3066\u3044\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306f$12$\u5468\u671f\u76ee\u307e\u3067\u306e\u500b\u6570\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\u2026+23$\u500b$=144$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u6b21\u306e$13$\u5468\u671f\u76ee\u306e$6$\u756a\u76ee\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$\u246c\u30001,\u30002,\u30003,\u30004,\u30005,\u3000\\underline{6},\u3000\\dots$<\/p>\n
\uff08\uff12\uff09\u306e\u653b\u7565\u6cd5<\/span><\/h3>\n\uff08\uff12\uff09\u3067\u306f\u3001\u3042\u3089\u305f\u306a\u6570\u5b57\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u305d\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u771f\u3093\u4e2d\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u3066$14$\u306f\u3001$14$\u5468\u671f\u76ee\u306e\u771f\u3093\u4e2d\uff08$14$\u756a\u76ee\uff09\u306b\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u624b\u524d\u306e$13$\u5468\u671f\u76ee\u307e\u3067\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\\dots +25$\u500b$=169$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001<\/p>\n
$169$\u500b$+14$\u500b$= \\underline{183}$\uff08\u756a\u76ee\uff09<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300cL.C.M.\u30bb\u30c3\u30c8\u300d\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff14\u300c\uff2c.\uff23.\uff2d.\u30bb\u30c3\u30c8\u300d<\/div>\n\n$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n\n$50 \\div 6=8$\uff08\u5468\u671f\uff09$\u20262$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u3067\u6570\u3092\u4e26\u3079\u3066\u3044\u3063\u305f\u3068\u304d\u3001\u6b21\u306e\u554f\u3044\u306b\u7b54\u3048\u306a\u3055\u3044\u3002
\n$1, 2, 5, 3, 2, 1, 2, 5, 3, 2, 1, 2,\u3000\\dots$<\/p>\n
\uff08\uff11\uff09$49$\u756a\u76ee\u306b\u4e26\u3076\u6570\u5b57\u3092\u6c42\u3081\u306a\u3055\u3044\u3002
\n\uff08\uff12\uff09$49$\u756a\u76ee\u307e\u3067\u306b$2$\u306f\u4f55\u500b\u4e26\u3073\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u4eca\u56de\u306e\u6c42\u3081\u65b9\u306b\u3064\u3044\u3066\u3082\u201c\u516c\u5f0f\u5f53\u3066\u306f\u3081\u201d\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u3001\u3057\u3063\u304b\u308a\u6210\u308a\u7acb\u3061\u3092\u7406\u89e3\u3057\u306a\u304c\u3089\u9032\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\uff08\uff11\uff09\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3092\u6d3b\u7528\u3057\u3066\u8003\u3048\u3066\u307f\u308b<\/span><\/h3>\n\uff11\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306f\u3001\u300c$1, 2, 5, 3, 2$\u300d\u306e$5$\u500b\u3067\u3059\u306e\u3067\u3001\u305d\u308c\u3092\u30bf\u30c6\u306b\u4e26\u3079\u3066\u307f\u308b\u3068\u3001<\/p>\n
\n\n$\\begin{eqnarray}1,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n1,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002$49$\u756a\u76ee\u307e\u3067\u306b$5$\u500b\u305a\u3064\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u3044\u304f\u3064\u3042\u308b\u306e\u304b\u3092\u6c42\u3081\u3066\u307f\u308b\u3068\u3001
\n$49 \\div 5=9$\uff08\u5468\u671f\uff09$\\dots 4$\uff08\u500b\uff09\u3068\u306a\u308a\u3001<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u30001,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n\u2461\u30001,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber\\\\\u2468\u30001,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\ \u2469\u30001,\u30002,\u3000&5&,\u30003\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$49$\u756a\u76ee\u306f$10$\u5468\u671f\u76ee\u306e$4$\u500b\u76ee\u3067\u3042\u308b$\\underline{3}$\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002
\n\u3053\u3046\u3044\u3063\u305f\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u66f8\u304d\u65b9\uff08\u201c\u30bf\u30c6\u7a4d\u307f\u201d\uff09\u3082\u5927\u5207\u3067\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3082\"\u30bf\u30c6\u7a4d\u307f\"\u306b\u3088\u308b\u8996\u899a\u7684\u306a\u7406\u89e3\u304c\u9375<\/span><\/h3>\n\uff08\uff12\uff09\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u3067\u3059\u3002\uff11\u5468\u671f\u306e\u4e2d\u306b$2$\u306f$2$\u500b\u305a\u3064\u3042\u308a\u307e\u3059\u306d\u3002\u3053\u308c\u304c$9$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u3042\u308a\u3001\u6700\u5f8c\u306e$10$\u5468\u671f\u76ee\u306b\u306f$1$\u500b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002\u3088\u3063\u3066\u3001<\/p>\n
\n\n$2$\u500b$\\times 9$\u5468\u671f$+1$\u500b\uff1d$\\underline{19}$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u6642\u3082\u4e0a\u8a18\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3088\u308b\u8996\u899a\u7684\u306a\u7406\u89e3\u304c\u5927\u5207\u3067\u3059\u306d\u3002<\/p>\n
\u5faa\u74b0\u5c0f\u6570\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f2\u300c\u5faa\u74b0\u5c0f\u6570\u300d<\/div>\n\n$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u305f\u3068\u304d\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u25a1\u3067\u3059\u3002<\/p>\n<\/div>\n<\/div>\n
\u3053\u306e\u554f2\u3082\u201c\u7fa4\u6570\u5217\u201d\u306e\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
\n\n$\u00a0\\frac{16}{37}\uff1d0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3001$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u300c$4,3,2$\u300d\u306e$3$\u500b\u305a\u3064\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u3001
\n$47 \\div 3=15$\uff08\u5468\u671f\uff09$\\dots 2$\uff08\u500b\uff09\u3068\u306a\u308a\u3001<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n\u2461\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber\\\\\u246e\u30004,\u3000&3&,\u30002\\nonumber\\\\ \u246f\u30004,\u3000&3&\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$16$\u5468\u671f\u76ee\u306e$2$\u756a\u76ee\u3067\u3042\u308b$\\underline{3}$\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u306e\u77e5\u8b58<\/span><\/h3>\n\u3061\u306a\u307f\u306b$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3059\u969b\u3001\u3082\u3061\u308d\u3093\u201c\u5206\u5b50$\\div$\u5206\u6bcd\u201d\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u304c\u3001<\/p>\n
\n\n$\\frac{16}{37}=\\frac{16 \\times 27}{37 \\times 27}=\\frac{432}{999}=0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3044\u3063\u305f\u3001\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u3092\u77e5\u8b58\u3068\u3057\u3066\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u5927\u5909\u7d20\u6674\u3089\u3057\u3044\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u500b\u6570\u5897\u6b96\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f3\u300c\u500b\u6570\u5897\u6b96\u300d<\/div>\n\n\u3044\u304f\u3064\u304b\u306e\u6570\u5b57\u304c\u3042\u308b\u898f\u5247\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u3089\u3093\u3067\u3044\u307e\u3059\u3002
\n$1, 1, 2, 1, 1, 2, 3, 2, 1, 1, 2, 3, 4, 3, 2, 1, \\dots$<\/p>\n
\uff08\uff11\uff09 \u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306b\u306a\u3089\u3093\u3067\u3044\u308b\u6570\u5b57\u306f\u4f55\u3067\u3059\u304b\u3002
\n\uff08\uff12\uff09$14$\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u3001\u306f\u3058\u3081\u304b\u3089\u6570\u3048\u3066\u4f55\u756a\u76ee\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c\u5897\u3048\u3066\u3044\u304f\u30bf\u30a4\u30d7\u3067\u3059\u3002\u554f\uff12\u307e\u3067\u3068\u540c\u69d8\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u3000&1&\\nonumber\\\\
\n\u2461\u3000&1&,\u30002,\u30001\\nonumber\\\\\u2462\u3000&1&,\u30002,\u30003,\u30002,\u30001\\nonumber\\\\ \u2463\u3000&1&,\u30002,\u30003,\u30004,\u30003,\u30002,\u30001\\nonumber \\\\&\\vdots&\\nonumber\\\\\\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$1$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$1$\u500b\u3001$2$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$3$\u500b\u3001$3$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$5$\u500b\u3001$4$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$7$\u500b\u3001$\\dots$\u3068$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c$1, 3, 5, 7, \u2026$\u3068\u5897\u3048\u3066\u3044\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306f$12$\u5468\u671f\u76ee\u307e\u3067\u306e\u500b\u6570\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\u2026+23$\u500b$=144$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u6b21\u306e$13$\u5468\u671f\u76ee\u306e$6$\u756a\u76ee\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$\u246c\u30001,\u30002,\u30003,\u30004,\u30005,\u3000\\underline{6},\u3000\\dots$<\/p>\n
\uff08\uff12\uff09\u306e\u653b\u7565\u6cd5<\/span><\/h3>\n\uff08\uff12\uff09\u3067\u306f\u3001\u3042\u3089\u305f\u306a\u6570\u5b57\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u305d\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u771f\u3093\u4e2d\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u3066$14$\u306f\u3001$14$\u5468\u671f\u76ee\u306e\u771f\u3093\u4e2d\uff08$14$\u756a\u76ee\uff09\u306b\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u624b\u524d\u306e$13$\u5468\u671f\u76ee\u307e\u3067\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\\dots +25$\u500b$=169$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001<\/p>\n
$169$\u500b$+14$\u500b$= \\underline{183}$\uff08\u756a\u76ee\uff09<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300cL.C.M.\u30bb\u30c3\u30c8\u300d\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff14\u300c\uff2c.\uff23.\uff2d.\u30bb\u30c3\u30c8\u300d<\/div>\n\n$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n\n$50 \\div 6=8$\uff08\u5468\u671f\uff09$\u20262$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
\n1,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002$49$\u756a\u76ee\u307e\u3067\u306b$5$\u500b\u305a\u3064\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u3044\u304f\u3064\u3042\u308b\u306e\u304b\u3092\u6c42\u3081\u3066\u307f\u308b\u3068\u3001
\n$49 \\div 5=9$\uff08\u5468\u671f\uff09$\\dots 4$\uff08\u500b\uff09\u3068\u306a\u308a\u3001<\/p>\n
\n\u2461\u30001,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber\\\\\u2468\u30001,\u30002,\u3000&5&,\u30003,\u30002\\nonumber\\\\ \u2469\u30001,\u30002,\u3000&5&,\u30003\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n
$49$\u756a\u76ee\u306f$10$\u5468\u671f\u76ee\u306e$4$\u500b\u76ee\u3067\u3042\u308b$\\underline{3}$\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002
\n\u3053\u3046\u3044\u3063\u305f\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u66f8\u304d\u65b9\uff08\u201c\u30bf\u30c6\u7a4d\u307f\u201d\uff09\u3082\u5927\u5207\u3067\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3082\"\u30bf\u30c6\u7a4d\u307f\"\u306b\u3088\u308b\u8996\u899a\u7684\u306a\u7406\u89e3\u304c\u9375<\/span><\/h3>\n\uff08\uff12\uff09\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u3067\u3059\u3002\uff11\u5468\u671f\u306e\u4e2d\u306b$2$\u306f$2$\u500b\u305a\u3064\u3042\u308a\u307e\u3059\u306d\u3002\u3053\u308c\u304c$9$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u3042\u308a\u3001\u6700\u5f8c\u306e$10$\u5468\u671f\u76ee\u306b\u306f$1$\u500b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002\u3088\u3063\u3066\u3001<\/p>\n
\n\n$2$\u500b$\\times 9$\u5468\u671f$+1$\u500b\uff1d$\\underline{19}$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u6642\u3082\u4e0a\u8a18\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3088\u308b\u8996\u899a\u7684\u306a\u7406\u89e3\u304c\u5927\u5207\u3067\u3059\u306d\u3002<\/p>\n
\u5faa\u74b0\u5c0f\u6570\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f2\u300c\u5faa\u74b0\u5c0f\u6570\u300d<\/div>\n\n$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u305f\u3068\u304d\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u25a1\u3067\u3059\u3002<\/p>\n<\/div>\n<\/div>\n
\u3053\u306e\u554f2\u3082\u201c\u7fa4\u6570\u5217\u201d\u306e\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
\n\n$\u00a0\\frac{16}{37}\uff1d0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3001$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u300c$4,3,2$\u300d\u306e$3$\u500b\u305a\u3064\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u3001
\n$47 \\div 3=15$\uff08\u5468\u671f\uff09$\\dots 2$\uff08\u500b\uff09\u3068\u306a\u308a\u3001<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n\u2461\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber\\\\\u246e\u30004,\u3000&3&,\u30002\\nonumber\\\\ \u246f\u30004,\u3000&3&\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$16$\u5468\u671f\u76ee\u306e$2$\u756a\u76ee\u3067\u3042\u308b$\\underline{3}$\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u306e\u77e5\u8b58<\/span><\/h3>\n\u3061\u306a\u307f\u306b$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3059\u969b\u3001\u3082\u3061\u308d\u3093\u201c\u5206\u5b50$\\div$\u5206\u6bcd\u201d\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u304c\u3001<\/p>\n
\n\n$\\frac{16}{37}=\\frac{16 \\times 27}{37 \\times 27}=\\frac{432}{999}=0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3044\u3063\u305f\u3001\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u3092\u77e5\u8b58\u3068\u3057\u3066\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u5927\u5909\u7d20\u6674\u3089\u3057\u3044\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u500b\u6570\u5897\u6b96\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f3\u300c\u500b\u6570\u5897\u6b96\u300d<\/div>\n\n\u3044\u304f\u3064\u304b\u306e\u6570\u5b57\u304c\u3042\u308b\u898f\u5247\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u3089\u3093\u3067\u3044\u307e\u3059\u3002
\n$1, 1, 2, 1, 1, 2, 3, 2, 1, 1, 2, 3, 4, 3, 2, 1, \\dots$<\/p>\n
\uff08\uff11\uff09 \u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306b\u306a\u3089\u3093\u3067\u3044\u308b\u6570\u5b57\u306f\u4f55\u3067\u3059\u304b\u3002
\n\uff08\uff12\uff09$14$\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u3001\u306f\u3058\u3081\u304b\u3089\u6570\u3048\u3066\u4f55\u756a\u76ee\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c\u5897\u3048\u3066\u3044\u304f\u30bf\u30a4\u30d7\u3067\u3059\u3002\u554f\uff12\u307e\u3067\u3068\u540c\u69d8\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u3000&1&\\nonumber\\\\
\n\u2461\u3000&1&,\u30002,\u30001\\nonumber\\\\\u2462\u3000&1&,\u30002,\u30003,\u30002,\u30001\\nonumber\\\\ \u2463\u3000&1&,\u30002,\u30003,\u30004,\u30003,\u30002,\u30001\\nonumber \\\\&\\vdots&\\nonumber\\\\\\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$1$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$1$\u500b\u3001$2$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$3$\u500b\u3001$3$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$5$\u500b\u3001$4$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$7$\u500b\u3001$\\dots$\u3068$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c$1, 3, 5, 7, \u2026$\u3068\u5897\u3048\u3066\u3044\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306f$12$\u5468\u671f\u76ee\u307e\u3067\u306e\u500b\u6570\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\u2026+23$\u500b$=144$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u6b21\u306e$13$\u5468\u671f\u76ee\u306e$6$\u756a\u76ee\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$\u246c\u30001,\u30002,\u30003,\u30004,\u30005,\u3000\\underline{6},\u3000\\dots$<\/p>\n
\uff08\uff12\uff09\u306e\u653b\u7565\u6cd5<\/span><\/h3>\n\uff08\uff12\uff09\u3067\u306f\u3001\u3042\u3089\u305f\u306a\u6570\u5b57\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u305d\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u771f\u3093\u4e2d\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u3066$14$\u306f\u3001$14$\u5468\u671f\u76ee\u306e\u771f\u3093\u4e2d\uff08$14$\u756a\u76ee\uff09\u306b\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u624b\u524d\u306e$13$\u5468\u671f\u76ee\u307e\u3067\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\\dots +25$\u500b$=169$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001<\/p>\n
$169$\u500b$+14$\u500b$= \\underline{183}$\uff08\u756a\u76ee\uff09<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300cL.C.M.\u30bb\u30c3\u30c8\u300d\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff14\u300c\uff2c.\uff23.\uff2d.\u30bb\u30c3\u30c8\u300d<\/div>\n\n$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n\n$50 \\div 6=8$\uff08\u5468\u671f\uff09$\u20262$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u6642\u3082\u4e0a\u8a18\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3088\u308b\u8996\u899a\u7684\u306a\u7406\u89e3\u304c\u5927\u5207\u3067\u3059\u306d\u3002<\/p>\n
\u5faa\u74b0\u5c0f\u6570\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f2\u300c\u5faa\u74b0\u5c0f\u6570\u300d<\/div>\n\n$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u305f\u3068\u304d\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u25a1\u3067\u3059\u3002<\/p>\n<\/div>\n<\/div>\n
\u3053\u306e\u554f2\u3082\u201c\u7fa4\u6570\u5217\u201d\u306e\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
\n\n$\u00a0\\frac{16}{37}\uff1d0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3001$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u300c$4,3,2$\u300d\u306e$3$\u500b\u305a\u3064\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u3001
\n$47 \\div 3=15$\uff08\u5468\u671f\uff09$\\dots 2$\uff08\u500b\uff09\u3068\u306a\u308a\u3001<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n\u2461\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber\\\\\u246e\u30004,\u3000&3&,\u30002\\nonumber\\\\ \u246f\u30004,\u3000&3&\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$16$\u5468\u671f\u76ee\u306e$2$\u756a\u76ee\u3067\u3042\u308b$\\underline{3}$\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u306e\u77e5\u8b58<\/span><\/h3>\n\u3061\u306a\u307f\u306b$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3059\u969b\u3001\u3082\u3061\u308d\u3093\u201c\u5206\u5b50$\\div$\u5206\u6bcd\u201d\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u304c\u3001<\/p>\n
\n\n$\\frac{16}{37}=\\frac{16 \\times 27}{37 \\times 27}=\\frac{432}{999}=0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3044\u3063\u305f\u3001\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u3092\u77e5\u8b58\u3068\u3057\u3066\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u5927\u5909\u7d20\u6674\u3089\u3057\u3044\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u500b\u6570\u5897\u6b96\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f3\u300c\u500b\u6570\u5897\u6b96\u300d<\/div>\n\n\u3044\u304f\u3064\u304b\u306e\u6570\u5b57\u304c\u3042\u308b\u898f\u5247\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u3089\u3093\u3067\u3044\u307e\u3059\u3002
\n$1, 1, 2, 1, 1, 2, 3, 2, 1, 1, 2, 3, 4, 3, 2, 1, \\dots$<\/p>\n
\uff08\uff11\uff09 \u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306b\u306a\u3089\u3093\u3067\u3044\u308b\u6570\u5b57\u306f\u4f55\u3067\u3059\u304b\u3002
\n\uff08\uff12\uff09$14$\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u3001\u306f\u3058\u3081\u304b\u3089\u6570\u3048\u3066\u4f55\u756a\u76ee\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c\u5897\u3048\u3066\u3044\u304f\u30bf\u30a4\u30d7\u3067\u3059\u3002\u554f\uff12\u307e\u3067\u3068\u540c\u69d8\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u3000&1&\\nonumber\\\\
\n\u2461\u3000&1&,\u30002,\u30001\\nonumber\\\\\u2462\u3000&1&,\u30002,\u30003,\u30002,\u30001\\nonumber\\\\ \u2463\u3000&1&,\u30002,\u30003,\u30004,\u30003,\u30002,\u30001\\nonumber \\\\&\\vdots&\\nonumber\\\\\\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$1$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$1$\u500b\u3001$2$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$3$\u500b\u3001$3$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$5$\u500b\u3001$4$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$7$\u500b\u3001$\\dots$\u3068$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c$1, 3, 5, 7, \u2026$\u3068\u5897\u3048\u3066\u3044\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306f$12$\u5468\u671f\u76ee\u307e\u3067\u306e\u500b\u6570\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\u2026+23$\u500b$=144$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u6b21\u306e$13$\u5468\u671f\u76ee\u306e$6$\u756a\u76ee\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$\u246c\u30001,\u30002,\u30003,\u30004,\u30005,\u3000\\underline{6},\u3000\\dots$<\/p>\n
\uff08\uff12\uff09\u306e\u653b\u7565\u6cd5<\/span><\/h3>\n\uff08\uff12\uff09\u3067\u306f\u3001\u3042\u3089\u305f\u306a\u6570\u5b57\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u305d\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u771f\u3093\u4e2d\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u3066$14$\u306f\u3001$14$\u5468\u671f\u76ee\u306e\u771f\u3093\u4e2d\uff08$14$\u756a\u76ee\uff09\u306b\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u624b\u524d\u306e$13$\u5468\u671f\u76ee\u307e\u3067\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\\dots +25$\u500b$=169$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001<\/p>\n
$169$\u500b$+14$\u500b$= \\underline{183}$\uff08\u756a\u76ee\uff09<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300cL.C.M.\u30bb\u30c3\u30c8\u300d\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff14\u300c\uff2c.\uff23.\uff2d.\u30bb\u30c3\u30c8\u300d<\/div>\n\n$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n\n$50 \\div 6=8$\uff08\u5468\u671f\uff09$\u20262$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u305f\u3068\u304d\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u25a1\u3067\u3059\u3002<\/p>\n<\/div>\n<\/div>\n
\u3053\u306e\u554f2\u3082\u201c\u7fa4\u6570\u5217\u201d\u306e\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
\u3068\u3001$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u300c$4,3,2$\u300d\u306e$3$\u500b\u305a\u3064\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5c0f\u6570\u7b2c$47$\u4f4d\u306e\u6570\u306f\u3001
\n$47 \\div 3=15$\uff08\u5468\u671f\uff09$\\dots 2$\uff08\u500b\uff09\u3068\u306a\u308a\u3001<\/p>\n
\n\u2461\u30004,\u3000&3&,\u30002\\nonumber\\\\
\n&\\vdots&\\nonumber\\\\\u246e\u30004,\u3000&3&,\u30002\\nonumber\\\\ \u246f\u30004,\u3000&3&\\nonumber \\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n
$16$\u5468\u671f\u76ee\u306e$2$\u756a\u76ee\u3067\u3042\u308b$\\underline{3}$\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u306e\u77e5\u8b58<\/span><\/h3>\n\u3061\u306a\u307f\u306b$\\frac{16}{37}$\u3092\u5c0f\u6570\u306b\u306a\u304a\u3059\u969b\u3001\u3082\u3061\u308d\u3093\u201c\u5206\u5b50$\\div$\u5206\u6bcd\u201d\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u304c\u3001<\/p>\n
\n\n$\\frac{16}{37}=\\frac{16 \\times 27}{37 \\times 27}=\\frac{432}{999}=0.432432432\\dots$<\/div>\n<\/div>\n<\/div>\n\u3068\u3044\u3063\u305f\u3001\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u3092\u77e5\u8b58\u3068\u3057\u3066\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u5927\u5909\u7d20\u6674\u3089\u3057\u3044\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u500b\u6570\u5897\u6b96\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f3\u300c\u500b\u6570\u5897\u6b96\u300d<\/div>\n\n\u3044\u304f\u3064\u304b\u306e\u6570\u5b57\u304c\u3042\u308b\u898f\u5247\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u3089\u3093\u3067\u3044\u307e\u3059\u3002
\n$1, 1, 2, 1, 1, 2, 3, 2, 1, 1, 2, 3, 4, 3, 2, 1, \\dots$<\/p>\n
\uff08\uff11\uff09 \u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306b\u306a\u3089\u3093\u3067\u3044\u308b\u6570\u5b57\u306f\u4f55\u3067\u3059\u304b\u3002
\n\uff08\uff12\uff09$14$\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u3001\u306f\u3058\u3081\u304b\u3089\u6570\u3048\u3066\u4f55\u756a\u76ee\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c\u5897\u3048\u3066\u3044\u304f\u30bf\u30a4\u30d7\u3067\u3059\u3002\u554f\uff12\u307e\u3067\u3068\u540c\u69d8\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u3000&1&\\nonumber\\\\
\n\u2461\u3000&1&,\u30002,\u30001\\nonumber\\\\\u2462\u3000&1&,\u30002,\u30003,\u30002,\u30001\\nonumber\\\\ \u2463\u3000&1&,\u30002,\u30003,\u30004,\u30003,\u30002,\u30001\\nonumber \\\\&\\vdots&\\nonumber\\\\\\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$1$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$1$\u500b\u3001$2$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$3$\u500b\u3001$3$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$5$\u500b\u3001$4$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$7$\u500b\u3001$\\dots$\u3068$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c$1, 3, 5, 7, \u2026$\u3068\u5897\u3048\u3066\u3044\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306f$12$\u5468\u671f\u76ee\u307e\u3067\u306e\u500b\u6570\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\u2026+23$\u500b$=144$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u6b21\u306e$13$\u5468\u671f\u76ee\u306e$6$\u756a\u76ee\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$\u246c\u30001,\u30002,\u30003,\u30004,\u30005,\u3000\\underline{6},\u3000\\dots$<\/p>\n
\uff08\uff12\uff09\u306e\u653b\u7565\u6cd5<\/span><\/h3>\n\uff08\uff12\uff09\u3067\u306f\u3001\u3042\u3089\u305f\u306a\u6570\u5b57\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u305d\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u771f\u3093\u4e2d\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u3066$14$\u306f\u3001$14$\u5468\u671f\u76ee\u306e\u771f\u3093\u4e2d\uff08$14$\u756a\u76ee\uff09\u306b\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u624b\u524d\u306e$13$\u5468\u671f\u76ee\u307e\u3067\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\\dots +25$\u500b$=169$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001<\/p>\n
$169$\u500b$+14$\u500b$= \\underline{183}$\uff08\u756a\u76ee\uff09<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300cL.C.M.\u30bb\u30c3\u30c8\u300d\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff14\u300c\uff2c.\uff23.\uff2d.\u30bb\u30c3\u30c8\u300d<\/div>\n\n$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n\n$50 \\div 6=8$\uff08\u5468\u671f\uff09$\u20262$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
\u3068\u3044\u3063\u305f\u3001\u5206\u6570\u3068\u5faa\u74b0\u5c0f\u6570\u306e\u95a2\u4fc2\u3092\u77e5\u8b58\u3068\u3057\u3066\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u5927\u5909\u7d20\u6674\u3089\u3057\u3044\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u500b\u6570\u5897\u6b96\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f3\u300c\u500b\u6570\u5897\u6b96\u300d<\/div>\n\n\u3044\u304f\u3064\u304b\u306e\u6570\u5b57\u304c\u3042\u308b\u898f\u5247\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u3089\u3093\u3067\u3044\u307e\u3059\u3002
\n$1, 1, 2, 1, 1, 2, 3, 2, 1, 1, 2, 3, 4, 3, 2, 1, \\dots$<\/p>\n
\uff08\uff11\uff09 \u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306b\u306a\u3089\u3093\u3067\u3044\u308b\u6570\u5b57\u306f\u4f55\u3067\u3059\u304b\u3002
\n\uff08\uff12\uff09$14$\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u3001\u306f\u3058\u3081\u304b\u3089\u6570\u3048\u3066\u4f55\u756a\u76ee\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c\u5897\u3048\u3066\u3044\u304f\u30bf\u30a4\u30d7\u3067\u3059\u3002\u554f\uff12\u307e\u3067\u3068\u540c\u69d8\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\n$\\begin{eqnarray}\u2460\u3000&1&\\nonumber\\\\
\n\u2461\u3000&1&,\u30002,\u30001\\nonumber\\\\\u2462\u3000&1&,\u30002,\u30003,\u30002,\u30001\\nonumber\\\\ \u2463\u3000&1&,\u30002,\u30003,\u30004,\u30003,\u30002,\u30001\\nonumber \\\\&\\vdots&\\nonumber\\\\\\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n$1$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$1$\u500b\u3001$2$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$3$\u500b\u3001$3$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$5$\u500b\u3001$4$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$7$\u500b\u3001$\\dots$\u3068$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c$1, 3, 5, 7, \u2026$\u3068\u5897\u3048\u3066\u3044\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306f$12$\u5468\u671f\u76ee\u307e\u3067\u306e\u500b\u6570\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\u2026+23$\u500b$=144$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u6b21\u306e$13$\u5468\u671f\u76ee\u306e$6$\u756a\u76ee\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$\u246c\u30001,\u30002,\u30003,\u30004,\u30005,\u3000\\underline{6},\u3000\\dots$<\/p>\n
\uff08\uff12\uff09\u306e\u653b\u7565\u6cd5<\/span><\/h3>\n\uff08\uff12\uff09\u3067\u306f\u3001\u3042\u3089\u305f\u306a\u6570\u5b57\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u305d\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u771f\u3093\u4e2d\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u3066$14$\u306f\u3001$14$\u5468\u671f\u76ee\u306e\u771f\u3093\u4e2d\uff08$14$\u756a\u76ee\uff09\u306b\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u624b\u524d\u306e$13$\u5468\u671f\u76ee\u307e\u3067\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\\dots +25$\u500b$=169$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001<\/p>\n
$169$\u500b$+14$\u500b$= \\underline{183}$\uff08\u756a\u76ee\uff09<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300cL.C.M.\u30bb\u30c3\u30c8\u300d\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff14\u300c\uff2c.\uff23.\uff2d.\u30bb\u30c3\u30c8\u300d<\/div>\n\n$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n\n$50 \\div 6=8$\uff08\u5468\u671f\uff09$\u20262$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
\u3044\u304f\u3064\u304b\u306e\u6570\u5b57\u304c\u3042\u308b\u898f\u5247\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u3089\u3093\u3067\u3044\u307e\u3059\u3002
\n$1, 1, 2, 1, 1, 2, 3, 2, 1, 1, 2, 3, 4, 3, 2, 1, \\dots$<\/p>\n
\uff08\uff11\uff09 \u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306b\u306a\u3089\u3093\u3067\u3044\u308b\u6570\u5b57\u306f\u4f55\u3067\u3059\u304b\u3002
\n\uff08\uff12\uff09$14$\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u3001\u306f\u3058\u3081\u304b\u3089\u6570\u3048\u3066\u4f55\u756a\u76ee\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c\u5897\u3048\u3066\u3044\u304f\u30bf\u30a4\u30d7\u3067\u3059\u3002\u554f\uff12\u307e\u3067\u3068\u540c\u69d8\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\u2461\u3000&1&,\u30002,\u30001\\nonumber\\\\\u2462\u3000&1&,\u30002,\u30003,\u30002,\u30001\\nonumber\\\\ \u2463\u3000&1&,\u30002,\u30003,\u30004,\u30003,\u30002,\u30001\\nonumber \\\\&\\vdots&\\nonumber\\\\\\end{eqnarray}$<\/div>\n<\/div>\n<\/div>\n
$1$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$1$\u500b\u3001$2$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$3$\u500b\u3001$3$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$5$\u500b\u3001$4$\u5468\u671f\u76ee\u306e\u500b\u6570\u306f$7$\u500b\u3001$\\dots$\u3068$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u500b\u6570\u304c$1, 3, 5, 7, \u2026$\u3068\u5897\u3048\u3066\u3044\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u304b\u3089$150$\u756a\u76ee\u306f$12$\u5468\u671f\u76ee\u307e\u3067\u306e\u500b\u6570\u304c\u3001<\/p>\n
\u306a\u306e\u3067\u3001\u6b21\u306e$13$\u5468\u671f\u76ee\u306e$6$\u756a\u76ee\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$\u246c\u30001,\u30002,\u30003,\u30004,\u30005,\u3000\\underline{6},\u3000\\dots$<\/p>\n
\uff08\uff12\uff09\u306e\u653b\u7565\u6cd5<\/span><\/h3>\n\uff08\uff12\uff09\u3067\u306f\u3001\u3042\u3089\u305f\u306a\u6570\u5b57\u304c\u306f\u3058\u3081\u3066\u51fa\u3066\u304f\u308b\u306e\u306f\u305d\u306e\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306e\u771f\u3093\u4e2d\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u3066$14$\u306f\u3001$14$\u5468\u671f\u76ee\u306e\u771f\u3093\u4e2d\uff08$14$\u756a\u76ee\uff09\u306b\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u624b\u524d\u306e$13$\u5468\u671f\u76ee\u307e\u3067\u304c\u3001<\/p>\n
\n\n$1$\u500b$+3$\u500b$+5$\u500b$+7$\u500b$+\\dots +25$\u500b$=169$\uff08\u500b\uff09<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001<\/p>\n
$169$\u500b$+14$\u500b$= \\underline{183}$\uff08\u756a\u76ee\uff09<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300cL.C.M.\u30bb\u30c3\u30c8\u300d\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff14\u300c\uff2c.\uff23.\uff2d.\u30bb\u30c3\u30c8\u300d<\/div>\n\n$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n\n$50 \\div 6=8$\uff08\u5468\u671f\uff09$\u20262$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
\u306a\u306e\u3067\u3001<\/p>\n
$169$\u500b$+14$\u500b$= \\underline{183}$\uff08\u756a\u76ee\uff09<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u300cL.C.M.\u30bb\u30c3\u30c8\u300d\u306e\u554f\u984c\u3092\"\u30bf\u30c6\u7a4d\u307f\"\u3067\u653b\u7565\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f\uff14\u300c\uff2c.\uff23.\uff2d.\u30bb\u30c3\u30c8\u300d<\/div>\n\n$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n\n$50 \\div 6=8$\uff08\u5468\u671f\uff09$\u20262$<\/div>\n<\/div>\n<\/div>\n\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
$1$\u304b\u3089$50$\u307e\u3067\u306e\u6574\u6570\u306b\u3064\u3044\u3066\u3001$2$\u3067\u3082$3$\u3067\u3082\u308f\u308a\u304d\u308c\u306a\u3044\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u8a72\u5f53\u3059\u308b\u6574\u6570\u306b\u25a1\u5370\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\\fbox{1}, 2, 3, 4, \\fbox{5}, 6, \\fbox{7}, 8, 9, 10, \\fbox{11}, 12, \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u3069\u3093\u306a\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u304b\u3002
\n$2$\u3068$3$\u306e\u6700\u5c0f\u516c\u500d\u6570\uff08\uff2c.\uff23.\uff2d.\uff09\u306b\u3042\u305f\u308b$6$\u500b\u305a\u3064\u3092$1$\u5468\u671f\u3068\u3057\u3066\u201c\u30bf\u30c6\u7a4d\u307f\u201d\u306b\u3057\u3066\u898b\u3066\u307f\u308b\u3068<\/p>\n
$\u2460\u3000 \\fbox{1}1, 2, 3, 4, \\fbox{5}, 6$
\n$\u2461\u3000 \\fbox{7}, 8, 9, 10, \\fbox{11}, 12$
\n$\u2462\u3000 \\fbox{13}, 14, 15, \\dots$<\/p>\n
\u306e\u3088\u3046\u306b\u30011\u5468\u671f\u306b\u304d\u308c\u3044\u306b2\u500b\u305a\u3064\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u306650\u307e\u3067\u3067\u3042\u308c\u3070\u3001<\/p>\n
\u3068\u306a\u308a\u307e\u3059\u306d\u3002\u305f\u3060\u3057\u3001\u4f59\u308a\u306e$2$\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002$8, 9$\u5468\u671f\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$\u2467\u3000 \\fbox{43}, 44, 45, 46, \\fbox{47}, 48$
\n$\u2468\u3000 \\fbox{49}, 50, \\dots$<\/p>\n
\u3068\u306a\u3063\u3066\u304a\u308a\u3001$50$\u306f\u516c\u500d\u6570$48$\u306b$2$\u52a0\u3048\u305f\u3082\u306e\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u306d\u3002\u305d\u306e\u4e2d\u306b\u306f\u8a72\u5f53\u3059\u308b\u6574\u6570\u306f$49$\u306e$1$\u500b\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001
\n$2$\u500b$\\times 8$\u5468\u671f$+1$\u500b$=\\underline{17}$\uff08\u500b\uff09
\n\u304c\u6b63\u89e3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u300c\u3042\u307e\u308a\u5206\u985e\u300d\u306e\u554f\u984c\u306e\u653b\u7565\u6cd5<\/span><\/h2>\n\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u201c\u5468\u671f\u201d\u306e\u8003\u3048\u65b9\u306e\u4e2d\u3067\u3082\u201c\u4f59\u308a\u201d\u306b\u6ce8\u76ee\u3057\u305f\u554f\u984c\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\nfa-pencil-square<\/span><\/i><\/span>\u554f5\u300c\u3042\u307e\u308a\u5206\u985e\u300d<\/div>\n\n\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002![\"\"]()
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n\u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n
![\"\"]()
<\/a><\/p>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n
\n\n$32 \\div 5=6$\uff08\u5468\u671f\uff09$\\dots \uff12$<\/div>\n<\/div>\n<\/div>\n\u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n
\n\n$153 \\div 5=30$\uff08\u5468\u671f\uff09$\\dots 3$<\/div>\n<\/div>\n<\/div>\n\u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n
\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n\nfa-pencil-square<\/span><\/i><\/span>\u554f6\u300c\u65e5\u66a6\u7b97\u300d<\/div>\n\n$6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n
\u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n
\u6b21\u306e\u3088\u3046\u306a\u304d\u307e\u308a\u30671\u304b\u3089153\u307e\u3067\u306e\u6574\u6570\u3092\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u307e\u3057\u305f\u3002 \u3082\u3061\u308d\u3093\u3053\u308c\u3082$5$\u500b\u305a\u3064\u306e\u201c\u5468\u671f\u201d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u201c\u4f59\u308a\u201d\u306b\u3088\u3063\u3066\u5206\u985e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002$5$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068\u3001<\/p>\n \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3088\u3063\u3066$32$\u306f\u3001<\/p>\n \u3088\u308a\u3001\u4f59\u308a\uff12\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\uff22<\/u>\u3068\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n \uff08\uff12\uff09\u3067\u306f\u3001<\/p>\n \u306a\u306e\u3067\u3001\u5168\u3066\u306e\u30b0\u30eb\u30fc\u30d7\u304c\uff13\uff10\u5468\u671f\u306f\u304d\u3061\u3093\u3068\u3042\u3063\u3066\u3001A, B, C\u306e\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u306f\u3042\u3068$1$\u500b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001 $6$\u6708$8$\u65e5\u304c\u6728\u66dc\u65e5\u306e\u3068\u304d\u3001$7$\u6708$21$\u65e5\u306f\u4f55\u66dc\u65e5\u3067\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n \u3010\u554f\uff15\u3011\u306e\u201c\u4f59\u308a\u201d\u306b\u3088\u308b\u5206\u985e\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u9031\u9593\u306f$7$\u65e5\u306a\u306e\u3067\u3001$7$\u3067\u5272\u3063\u305f\u4f59\u308a\u3067\u5206\u985e\u3057\u3066\u307f\u308b\u3068$8$\u65e5\u304c\u6728\u66dc\u65e5\u306a\u306e\u3067\u3001$6$\u6708\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u306f\u3001<\/p>\n![\"\"](\"https:\/\/www.cj-atelier.com\/wp-content\/uploads\/2023\/09\/230805-1024x345.png\")
<\/a>
\n\uff08\uff11\uff09$32$\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u306f\u3044\u308a\u307e\u3059\u304b\u3002
\n\uff08\uff12\uff09B\u306b\u306f\u3044\u308b\u6574\u6570\u306f\u4f55\u500b\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n<\/div>\n<\/div>\n![\"\"](\"https:\/\/www.cj-atelier.com\/wp-content\/uploads\/2023\/09\/230806-1024x194.png\")
<\/a><\/p>\n
\n$30+1=\\underline{31}$\uff08\u500b\uff09<\/p>\n\u65e5\u66a6\u7b97\u306e\u554f\u984c\u3067\"\u4f59\u308a\"\u306b\u3088\u308b\u5206\u985e\u3092\u6d3b\u7528\u3059\u308b<\/span><\/h2>\n
![\"\"](\"https:\/\/www.cj-atelier.com\/wp-content\/uploads\/2023\/09\/230807-1024x194.png\")
<\/a><\/p>\n![\"\"](\"https:\/\/www.cj-atelier.com\/wp-content\/uploads\/2023\/09\/230808-1024x194.png\")
<\/a>$1$\u5468\u671f\uff08\u30bb\u30c3\u30c8\uff09\u304c\u3001$1, 1, 2, 3, 1, 0$\u306e$6$\u500b\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u306e\u3067\u3001<\/p>\n