{"id":299,"date":"2008-07-09T06:00:00","date_gmt":"2008-07-08T21:00:00","guid":{"rendered":"http:\/\/fujishima.main.jp\/oldpuzzle\/?p=299"},"modified":"2012-03-01T10:40:14","modified_gmt":"2012-03-01T01:40:14","slug":"omake002","status":"publish","type":"post","link":"http:\/\/fujishima.main.jp\/oldpuzzle\/2008\/07\/09\/omake002\/","title":{"rendered":"\u624b\u6876\u306e\u91cf\u306f\uff1f"},"content":{"rendered":"

\u6a3d\u306e\u4e2d\u306b\u3001\u3061\u3087\u3046\u3069\uff11\uff10\u30ea\u30c3\u30c8\u30eb\u306e\uff11\uff10\uff10\uff05\u84b8\u7559\u9152\u304c\u5165\u3063\u3066\u3044\u307e\u3057\u305f\u3002
\n\u592a\u90ce\u304c\u624b\u6876\u3092\u6301\u3063\u3066\u304d\u3066\u3001\u6a3d\u304b\u3089\u3061\u3087\u3046\u3069\u624b\u6876\u4e00\u676f\u5206\u306e\u304a\u9152\u3092\u304f\u307f\u51fa\u3057\u3001\u4ee3\u308f\u308a\u306b\u540c\u3058\u91cf\u306e\u6c34\u3092\u3044\u308c\u307e\u3057\u305f\u3002
\n\u7fcc\u65e5\u3001\u304a\u9152\u3068\u6c34\u3068\u304c\u5b8c\u5168\u306b\u6df7\u3058\u3063\u305f\u5f8c\u3067\u3001\u307e\u305f\u592a\u90ce\u304c\u3084\u3063\u3066\u304d\u3066\u3001\u524d\u65e5\u3068\u540c\u3058\u624b\u6876\u3067\u3001\u518d\u3073\u6a3d\u304b\u3089\u8584\u3081\u305f\u304a\u9152\u3092\u3061\u3087\u3046\u3069\u4e00\u676f\u5206\u3092\u304f\u307f\u51fa\u3057\u3001\u4ee3\u308f\u308a\u306b\u540c\u3058\u91cf\u306e\u6c34\u3092\u5165\u308c\u307e\u3057\u305f\u3002
\n\u3059\u308b\u3068\u3001\u6a3d\u306e\u4e2d\u306e\u304a\u9152\u3068\u6c34\u306e\u91cf\u3068\u304c\u3061\u3087\u3046\u3069\u540c\u3058\uff08\u6fc3\u5ea6\uff15\uff10\uff05\uff09\u306b\u306a\u308a\u307e\u3057\u305f\u3002
\n\u3055\u3066\u3001\u592a\u90ce\u306e\u4f7f\u3063\u305f\u624b\u6876\u306e\u5bb9\u91cf\u306f\u3001\u4f55\u30ea\u30c3\u30c8\u30eb\u3067\u3057\u3087\u3046\u304b\uff1f
\n\uff08\u5c0f\u6570\u7b2c\uff12\u4f4d\u3092\u56db\u6368\u4e94\u5165\u3057\u3066\u5c0f\u6570\u7b2c\uff11\u4f4d\u307e\u3067\u6c42\u3081\u3066\u304f\u3060\u3055\u3044\u3002\uff09
\n
\n
\n\uff08\u6b63\u89e3\uff09<\/strong><\/p>\n

\uff12\uff0e\uff19\u30ea\u30c3\u30c8\u30eb<\/p>\n

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

\u624b\u6876\u306e\u91cf\u3092x\u3068\u3057\u307e\u3059\u3002
\n\uff11\u56de\u76ee\u306b\u53d6\u308a\u51fa\u3057\u305f\u3068\u304d\u306e\u3001\u6b8b\u308a\u306e\u304a\u9152\u306e\u91cf\u306f\u300110 – x\u3002
\n\u3057\u305f\u304c\u3063\u3066\u3001\uff11\u56de\u76ee\u306b\u6c34\u3092\u623b\u3057\u305f\u3068\u304d\u306e\u304a\u9152\u306e\u6fc3\u5ea6\u306f (10 – x)\/10\u3002
\n\u3059\u308b\u3068\u3001\uff12\u56de\u76ee\u306b\u53d6\u308a\u51fa\u3057\u305f\u3068\u304d\u306b\u3001\u624b\u6876\u306b\u5165\u308b\u304a\u9152\u306e\u91cf\u306f\u3001x(10 – x)\/10
\n\u3057\u305f\u304c\u3063\u3066\u3001\uff12\u56de\u76ee\u3092\u7d42\u3048\u305f\u3068\u304d\u306b\u6a3d\u306b\u6b8b\u308b\u304a\u9152\u306e\u91cf\u306f\u3001
\n10 – x – x(10 – x)\/10
\n\u6700\u5f8c\u306b\u304a\u9152\u3068\u6c34\u304c\u540c\u91cf\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304b\u3089\u3001\u304a\u9152\u306e\u91cf\u306f\uff15\u30ea\u30c3\u30c8\u30eb\u3002
\n\u3057\u305f\u304c\u3063\u3066\u300110 – x – x(10 – x)\/10 = 5
\n\u3053\u308c\u3092\u6574\u7406\u3059\u308b\u3068\u3001
\n100 – 10x – x(10 – x) = 50
\nx^2 – 20x + 50 = 0
\n\u3053\u308c\u3092\u89e3\u304f\u3068\u3001x \uff1d 10 \u00b1 5\u221a2
\n10 \uff0b 5\u221a2 \u306e\u65b9\u306f\u3001\u6a3d\u306e\u5bb9\u91cf\u3092\u8d85\u3048\u3066\u3057\u307e\u3063\u3066\u7b54\u306b\u5408\u3044\u307e\u305b\u3093\u3002
\n\u3057\u305f\u304c\u3063\u3066\u3001\u7b54\u306f 10 \uff0d 5\u221a2 \u2252 2.9<\/p>\n","protected":false},"excerpt":{"rendered":"

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\n\u592a\u90ce\u304c\u624b\u6876\u3092\u6301\u3063\u3066\u304d\u3066\u3001\u6a3d\u304b\u3089\u3061\u3087\u3046\u3069\u624b\u6876\u4e00\u676f\u5206\u306e\u304a\u9152\u3092\u304f\u307f\u51fa\u3057\u3001\u4ee3\u308f\u308a\u306b\u540c\u3058\u91cf\u306e\u6c34\u3092\u3044\u308c\u307e\u3057\u305f\u3002
\n\u7fcc\u65e5\u3001\u304a\u9152\u3068\u6c34\u3068\u304c\u5b8c\u5168\u306b\u6df7\u3058\u3063\u305f\u5f8c\u3067\u3001\u307e\u305f\u592a\u90ce\u304c\u3084\u3063\u3066\u304d\u3066\u3001\u524d\u65e5\u3068\u540c\u3058\u624b\u6876\u3067\u3001\u518d\u3073\u6a3d\u304b\u3089\u8584\u3081\u305f\u304a\u9152\u3092\u3061\u3087\u3046\u3069\u4e00\u676f\u5206\u3092\u304f\u307f\u51fa\u3057\u3001\u4ee3\u308f\u308a\u306b\u540c\u3058\u91cf\u306e\u6c34\u3092\u5165\u308c\u307e\u3057\u305f\u3002
\n\u3059\u308b\u3068\u3001\u6a3d\u306e\u4e2d\u306e\u304a\u9152\u3068\u6c34\u306e\u91cf\u3068\u304c\u3061\u3087\u3046\u3069\u540c\u3058\uff08\u6fc3\u5ea6\uff15\uff10\uff05\uff09\u306b\u306a\u308a\u307e\u3057\u305f\u3002
\n\u3055\u3066\u3001\u592a\u90ce\u306e\u4f7f\u3063\u305f\u624b\u6876\u306e\u5bb9\u91cf\u306f\u3001\u4f55\u30ea\u30c3\u30c8\u30eb\u3067\u3057\u3087\u3046\u304b\uff1f
\n\uff08\u5c0f\u6570\u7b2c\uff12\u4f4d\u3092\u56db\u6368\u4e94\u5165\u3057\u3066\u5c0f\u6570\u7b2c\uff11\u4f4d\u307e\u3067\u6c42\u3081\u3066\u304f\u3060\u3055\u3044\u3002\uff09<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[171],"tags":[92],"class_list":["post-299","post","type-post","status-publish","format-standard","hentry","category-story_problem","tag-92"],"views":1303,"_links":{"self":[{"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/posts\/299","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=299"}],"version-history":[{"count":0,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/posts\/299\/revisions"}],"wp:attachment":[{"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/media?parent=299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/categories?post=299"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/tags?post=299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}