{"id":456,"date":"2009-01-26T06:00:00","date_gmt":"2009-01-25T21:00:00","guid":{"rendered":"http:\/\/fujishima.main.jp\/oldpuzzle\/?p=456"},"modified":"2012-03-01T10:40:15","modified_gmt":"2012-03-01T01:40:15","slug":"b7-006","status":"publish","type":"post","link":"http:\/\/fujishima.main.jp\/oldpuzzle\/2009\/01\/26\/b7-006\/","title":{"rendered":"\u304f\u3082\u3001\u3068\u3093\u307c\u3001\u305b\u307f"},"content":{"rendered":"

\u304f\u3082\u306f\u3001\u8db3\u304c\uff18\u672c\u3001\u3068\u3093\u307c\u306f\u3001\u8db3\u304c\uff16\u672c\u3001\u7fbd\u304c\uff12\u7d44\u3001\u305b\u307f\u306f\u3001\u8db3\u304c\uff16\u672c\u3001\u7fbd\u304c\uff11\u7d44\u3042\u308a\u307e\u3059\u3002
\n\u4eca\u3001\u5927\u304d\u306a\u866b\u304b\u3054\u306e\u4e2d\u306b\u3001\u3053\u306e\uff13\u7a2e\u985e\u306e\u866b\u304c\u3001\u5168\u90e8\u3067\uff11\uff18\u5339\u5165\u3063\u3066\u3044\u307e\u3059\u3002
\n\u305d\u3057\u3066\u3001\u5168\u90e8\u306e\u8db3\u306e\u5408\u8a08\u672c\u6570\u304c\uff11\uff11\uff18\u672c\u3001\u7fbd\u306e\u5408\u8a08\u304c\uff12\uff10\u7d44\u3067\u3059\u3002
\n\u3055\u3066\u3001\u304f\u3082\u3001\u3068\u3093\u307c\u3001\u305b\u307f\u306f\u3001\u305d\u308c\u305e\u308c\u4f55\u5339\u305a\u3064\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f
\n
\n
\n\uff08\u6b63\u89e3\uff09<\/strong><\/p>\n

\u304f\u3082\u3000\uff15\u5339
\n\u3068\u3093\u307c\u3000\uff17\u5339
\n\u305b\u307f\u3000\uff16\u5339<\/p>\n

\uff08\u89e3\u304d\u65b9\uff09<\/strong><\/p>\n

\u304f\u3082\u3092x\u3001\u3068\u3093\u307c\u3092y\u3001\u305b\u307f\u3092z\u3068\u304a\u304f\u3068\u3001<\/p>\n

x + y + z = 18\u3000\u2026\u3000a
\n 8x + 6y + 6z = 118\u3000\u2026\u3000b
\n 2y + z = 20\u3000\u2026\u3000c<\/p>\n

c \u3088\u308a\u3001z = 20 – 2y\u3000\u2026\u3000d
\n \u3053\u308c\u3092 a \u306b\u4ee3\u5165\u3057\u3066\u6574\u7406\u3059\u308b\u3068\u3001
\n x + y + (20 – 2y) = 18
\n y = x + 2\u3000\u2026\u3000e
\n e \u3092 d \u306b\u4ee3\u5165\u3059\u308b\u3002
\n z = 20 – 2(x + 2) = 16 – 2x\u3000\u2026\u3000f
\n e \u3068 f \u3092 b \u306b\u4ee3\u5165\u3059\u308b\u3068
\n 8x + 6(x + 2) + 6(16 – 2x) = 118
\n 2x + 108 = 118
\n x = 5
\n y = 5 + 2 = 7\u3001z = 16 – 2 * 5 = 6<\/p>\n

\uff08\u89e3\u7b54\u8005\u4e00\u89a7\uff09<\/strong><\/p>\n

\n\u3000\u8aad\u8005\u6570\n\u3000\u3000\u3081\u308d\u3093\u3071\u3093\uff1a\uff12\uff10\uff14\n\u3000\u3000\u307e\u3050\u307e\u3050\u3000\uff1a\u3000\uff18\uff13\n\u3000\u3000\u30df\u30cb\u307e\u3050\u3000\uff1a\uff11\uff14\uff11\n\u3000\u89e3\u7b54\u8005\u6570\u3000\u3000\uff1a\u3000\uff12\uff12\n\u3000\u6b63\u89e3\u8005\u6570\u3000\u3000\uff1a\u3000\uff12\uff12\n\n\u300001 01\/26 06:05:29  \u30d0\u30eb\u30bf\u30f3\u661f\u4eba (17)\n\u300002 01\/26 06:14:50 (\u65b0) \u30ab\u30ef\u30b5\u30ad [1]\n\u300003 01\/26 06:25:42  \u3057\u3085\u3046 (17)\n\u300004 01\/26 06:26:54  \u30bb\u30a4\u30e9 (1)\n\u300005 01\/26 06:44:56  \u6843\u71c8 (12)\n\u300006 01\/26 06:56:57  \u5c71\u624b\u7dda (15)\n\u300007 01\/26 07:22:34  \u304c\u3093\u3070\u308c\u5c71\u624b\u7dda (16)\n\u300008 01\/26 07:32:23  Misa (15)\n\u300009 01\/26 07:59:09  \u5c71\u624b\u7dda\uff12 (10)\n\u300010 01\/26 08:16:07  \u3086\u308a\u307e\u307e (14)\n\u300011 01\/26 08:30:38  \u4eac\u7f8e\u4eba (10)\n\u300012 01\/26 09:21:10  nyantar (9)\n\u300013 01\/26 11:55:28  PIPI (14)\n\u300014 01\/26 12:36:53  gumao (15)\n\u300015 01\/26 17:51:32 (Jr) \u907c [7]\n\u300016 01\/26 17:56:10  tora (15)\n\u300017 01\/26 19:55:59  jiji (15)\n\u300018 01\/26 23:43:41  \u3070\u3070\u304d\u3061 (7)\n\u300019 01\/27 00:42:16  \u306b\u304f (8)\n\u300020 01\/27 04:09:41 (\u65b0) \u307d\u3093\u3053\u3064 [6] \u3000\u795d\uff01\u304b\u3057\u3053\u3044\u4eba\u8a8d\u5b9a\uff01\n\u300021 01\/27 17:35:02  \u53cc\u5b50\u661f (10)\n\u300022 01\/27 19:48:07 (\u65b0) \u30c8\u30f3\u30dc [3]\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u304f\u3082\u306f\u3001\u8db3\u304c\uff18\u672c\u3001\u3068\u3093\u307c\u306f\u3001\u8db3\u304c\uff16\u672c\u3001\u7fbd\u304c\uff12\u7d44\u3001\u305b\u307f\u306f\u3001\u8db3\u304c\uff16\u672c\u3001\u7fbd\u304c\uff11\u7d44\u3042\u308a\u307e\u3059\u3002
\n\u4eca\u3001\u5927\u304d\u306a\u866b\u304b\u3054\u306e\u4e2d\u306b\u3001\u3053\u306e\uff13\u7a2e\u985e\u306e\u866b\u304c\u3001\u5168\u90e8\u3067\uff11\uff18\u5339\u5165\u3063\u3066\u3044\u307e\u3059\u3002
\n\u305d\u3057\u3066\u3001\u5168\u90e8\u306e\u8db3\u306e\u5408\u8a08\u672c\u6570\u304c\uff11\uff11\uff18\u672c\u3001\u7fbd\u306e\u5408\u8a08\u304c\uff12\uff10\u7d44\u3067\u3059\u3002
\n\u3055\u3066\u3001\u304f\u3082\u3001\u3068\u3093\u307c\u3001\u305b\u307f\u306f\u3001\u305d\u308c\u305e\u308c\u4f55\u5339\u305a\u3064\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[171],"tags":[],"class_list":["post-456","post","type-post","status-publish","format-standard","hentry","category-story_problem"],"views":1018,"_links":{"self":[{"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/posts\/456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/comments?post=456"}],"version-history":[{"count":0,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/posts\/456\/revisions"}],"wp:attachment":[{"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/media?parent=456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/categories?post=456"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/tags?post=456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}