{"id":841,"date":"2025-12-24T17:20:36","date_gmt":"2025-12-24T08:20:36","guid":{"rendered":"https:\/\/math-travel.com\/?p=841"},"modified":"2026-02-11T17:02:26","modified_gmt":"2026-02-11T08:02:26","slug":"number-of-cases","status":"publish","type":"post","link":"https:\/\/math-travel.jp\/math-a\/number-of-cases\/","title":{"rendered":"\u5834\u5408\u306e\u6570\u306e\u6570\u3048\u65b9\uff1a\u548c\u306e\u6cd5\u5247\u3068\u7a4d\u306e\u6cd5\u5247\u306e\u4f7f\u3044\u5206\u3051\u3092\u5177\u4f53\u4f8b\u3067\u89e3\u8aac"},"content":{"rendered":"\n
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\u6a39\u5f62\u56f3<\/h2>\n\n\n\n
<\/figure>\n<\/div>\n\n
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<\/p>\n\n\n\n
<\/figure>\n<\/div>\n\n\n
<\/figure>\n<\/div>\n\n\n
\u5927\u5c0f\uff12\u7a2e\u985e\u306e\u30b5\u30a4\u30b3\u30ed\u3092\u6295\u3052\u308b\u3068\u304d\u3001\u76ee\u306e\u548c\u304c\uff14\u306b\u306a\u308b\u5834\u5408\u306f\u4f55\u901a\u308a\u3042\u308a\u307e\u3059\u304b\u3002<\u89e3\u7b54>
\u5927\u5c0f\u306e\u30b5\u30a4\u30b3\u30ed\u306e\u51fa\u76ee\u3092\u6a39\u5f62\u56f3\u3067\u66f8\u304d\u51fa\u3057\u3066\u3044\u304f\u3002\u30b5\u30a4\u30b3\u30ed\u306e\u51fa\u76ee\u306e\u548c\u304c\uff14\u306b\u306a\u308b\u3068\u304d\u306a\u306e\u3067\u3001\u5927\u304d\u3044\u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u304c4\u4ee5\u4e0a\u306f\u78ba\u304b\u3081\u306a\u304f\u3066\u3082\u826f\u3044\u3002\u3088\u3063\u3066\u3001(1,3),(2,2),(3,1)\u306e\uff13\u901a\u308a\u3067\u3042\u308b\u3002<\/div>\n\n\n
<\/figure>\n<\/div>\n\n\n
1\u679a\u306e\u786c\u8ca8\u3092\u7e70\u308a\u8fd4\u3057\u6295\u3052\u3001\u8868\u304c2\u56de\u51fa\u305f\u3089\u8cde\u54c1\u304c\u3082\u3089\u3048\u308b\u30b2\u30fc\u30e0\u3092\u3059\u308b\u3002
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\u3053\u308c\u3082\u982d\u306e\u4e2d\u3067\u96e3\u3057\u304f\u8003\u3048\u308b\u3088\u308a\u3082\u3001\u5b9f\u969b\u306b\u6a39\u5f62\u56f3\u3092\u66f8\u3044\u3066\u3057\u307e\u3063\u305f\u65b9\u304c\u65e9\u3044\u3002\u66f8\u304d\u51fa\u3057\u3066\u307f\u308b\u3068\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u30014\u901a\u308a\u3068\u5206\u304b\u308b\u3002<\/div>\n\n\n\n\u548c\u306e\u6cd5\u5247\u30fb\u7a4d\u306e\u6cd5\u5247<\/h2>\n\n\n\n
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2\u3064\u306e\u4e8b\u67c4A\u3068B\u306e\u8d77\u3053\u308a\u65b9\u306b\u91cd\u8907\u306f\u306a\u3044\u3068\u3059\u308b\u3002
A\u306e\u8d77\u3053\u308a\u65b9\u304ca\u901a\u308a\u3042\u308a\u3001B\u306e\u8d77\u3053\u308a\u65b9\u304cb\u901a\u308a\u3042\u308c\u3070\u3001
A\u307e\u305f\u306fB\u304c\u8d77\u3053\u308b\u5834\u5408\u306f\u3001a+b\u901a\u308a\u3042\u308b\u3002<\/div>\n\n\n\n
\u9ad8\u6821\u751f<\/span><\/div>
1\u500b\u306e\u30b5\u30a4\u30b3\u30ed\u30922\u56de\u6295\u3052\u308b\u3068\u304d\u3001\u76ee\u306e\u548c\u304c4\u306e\u500d\u6570\u306b\u306a\u308b\u5834\u5408\u306f\u4f55\u901a\u308a\u3042\u308b\u304b\u3002\u76ee\u306e\u548c\u304c\uff14\u3001\uff18\u3001\uff11\uff12\u306b\u306a\u308b\u5834\u5408\u3092\u63a2\u3057\u3066\u3044\u304f\u3002\uff14\u306b\u306a\u308b\u306e\u306f\u3001(1,3),(2,2),(3,1)\u306e3\u901a\u308a\u3002\uff18\u306b\u306a\u308b\u306e\u306f\u3001(2,6),(3,5),(4,4),(5,3)(6,2)\u306e5\u901a\u308a\u3002\uff11\uff12\u306b\u306a\u308b\u306e\u306f\u3001(6,6)\u306e1\u901a\u308a\u3002\u3088\u3063\u3066\u3001\u548c\u306e\u6cd5\u5247\u3088\u308a
\\(3+5+1=9\\)
A.9\u901a\u308a<\/div>\n\n\n\n\u7a4d\u306e\u6cd5\u5247<\/h3>\n\n\n\n
\\(2 \\times 3 = 6\\)\u3000\u3059\u306a\u308f\u3061\u30006\u901a\u308a\u3067\u3042\u308b\u3002<\/p>\n\n\n\n
\u4e8b\u67c4A\u306e\u8d77\u3053\u308a\u65b9\u304ca\u901a\u308a\u3042\u308a\u3001\u305d\u306e\u3069\u306e\u5834\u5408\u306b\u5bfe\u3057\u3066\u3082\u4e8b\u67c4B\u306e\u8d77\u3053\u308a\u65b9\u304c
b\u901a\u308a\u3042\u308c\u3070\u3001A\u304c\u8d77\u3053\u308a\u3001\u305d\u3057\u3066B\u304c\u8d77\u3053\u308b\u5834\u5408\u306fa\u00d7b\u901a\u308a\u3067\u3042\u308b<\/div>\n\n\n\n
\u5927\u4e2d\u5c0f3\u500b\u306e\u30b5\u30a4\u30b3\u30ed\u3092\u6295\u3052\u308b\u3068\u304d\u3001\u3059\u3079\u3066\u306e\u76ee\u304c\u5076\u6570\u3067\u3042\u308b\u5834\u5408\u306f\u4f55\u901a\u308a\u3042\u308b\u304b\u3002<\u89e3\u7b54>
1\u500b\u306e\u30b5\u30a4\u30b3\u30ed\u3067\u5076\u6570\u306e\u76ee\u306e\u51fa\u65b9\u306f3\u901a\u308a\u3042\u308b\u3002\u3088\u3063\u3066\u3001\u7a4d\u306e\u6cd5\u5247\u306b\u3088\u308a
\\(3\\times3\\times3=27\\)
A.\uff12\uff17\u901a\u308a<\/div>\n\n\n\n
\u6b21\u306e\u6570\u306b\u3064\u3044\u3066\u3001\u6b63\u306e\u7d04\u6570\u306f\u4f55\u500b\u3042\u308b\u304b\u3002
(1)\u30008
(2)\u300072<\u89e3\u7b54>
(1)\u3000\\(8=2^{3}\\)\u306a\u306e\u3067\u30018\u306e\u7d04\u6570\u306f\\(1,2,2^{2},2^{3}\\)\u3067\u3042\u308b\u3002\u3088\u3063\u30664\u500b\u3067\u3042\u308b\u3002(2)\u3000\\(72=2^{3}\\times 3^{2}\\)\u306a\u306e\u3067\u300172\u306e\u6b63\u306e\u7d04\u6570\u306f\\(2^{3}\\)\u3068\\(3^{2}\\)\u306e\u7d04\u6570\u306e\u7a4d\u3067\u8868\u3055\u308c\u308b\u3002\u3064\u307e\u308a\u3001\\(2^{3}\\)\u306e\u7d04\u6570\u306f(1)\u3088\u308a\uff14\u500b\u3002\\(3^{2}\\)\u306e\u7d04\u6570\u306f\\(1,3,3^{2}\\)\u306e\uff13\u500b\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u7a4d\u306e\u6cd5\u5247\u3088\u308a\u3000\\(4\\times3=12\\)\n\u5834\u5408\u306e\u6570\uff5e\u548c\u306e\u6cd5\u5247\u30fb\u7a4d\u306e\u6cd5\u5247\uff5e\u304a\u308f\u308a\u306b<\/h2>\n\n\n\n