{"id":792,"date":"2013-05-10T22:59:34","date_gmt":"2013-05-10T13:59:34","guid":{"rendered":"http:\/\/www.roundown.net\/nyushi\/?p=792"},"modified":"2021-03-23T17:19:42","modified_gmt":"2021-03-23T08:19:42","slug":"kyr201306","status":"publish","type":"post","link":"https:\/\/www.roundown.net\/nyushi\/kyr201306\/","title":{"rendered":"\u4eac\u5927\u7406\u7cfb2013\uff1a\u7b2c6\u554f"},"content":{"rendered":"<hr \/>\n<p>\u6295\u3052\u305f\u3068\u304d\u8868\u304c\u51fa\u308b\u78ba\u7387\u3068\u88cf\u304c\u51fa\u308b\u78ba\u7387\u304c\u7b49\u3057\u3044\u786c\u8ca8\u3092\u7528\u610f\u3059\u308b.\r\n\u6570\u76f4\u7dda\u4e0a\u306b\u77f3\u3092\u7f6e\u304d, \u3053\u306e\u786c\u8ca8\u3092\u6295\u3052\u3066\u8868\u304c\u51fa\u308c\u3070\u6570\u76f4\u7dda\u4e0a\u3067\u539f\u70b9\u306b\u95a2\u3057\u3066\u5bfe\u79f0\u306a\u70b9\u306b\u77f3\u3092\u79fb\u52d5\u3057,\r\n\u88cf\u304c\u51fa\u308c\u3070\u6570\u76f4\u7dda\u4e0a\u3067\u5ea7\u6a19 \\(1\\) \u306e\u70b9\u306b\u95a2\u3057\u3066\u5bfe\u79f0\u306a\u70b9\u306b\u77f3\u3092\u79fb\u52d5\u3059\u308b.<\/p>\r\n<ol>\r\n<li><p><strong>(1)<\/strong>\u3000\u77f3\u304c\u5ea7\u6a19 \\(x\\) \u306e\u70b9\u306b\u3042\u308b\u3068\u3059\u308b. \\(2\\) \u56de\u786c\u8ca8\u3092\u6295\u3052\u305f\u3068\u304d, \u77f3\u304c\u5ea7\u6a19 \\(x\\) \u306e\u70b9\u306b\u3042\u308b\u78ba\u7387\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n<li><p><strong>(2)<\/strong>\u3000\u77f3\u304c\u539f\u70b9\u306b\u3042\u308b\u3068\u3059\u308b. \\(n\\) \u3092\u81ea\u7136\u6570\u3068\u3057, \\(2n\\) \u56de\u786c\u8ca8\u3092\u6295\u3052\u305f\u3068\u304d, \u77f3\u304c\u5ea7\u6a19 \\(2n-2\\) \u306e\u70b9\u306b\u3042\u308b\u78ba\u7387\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n<\/ol>\r\n<hr>\r\n<!--more-->\r\n<h2>\u3010 \u89e3 \u7b54 \u3011<\/h2>\r\n<p><strong>(1)<\/strong><\/p>\r\n<p>\u77f3\u304c\u5ea7\u6a19 \\(x\\) \u306e\u70b9\u306b\u3042\u308b\u3068\u304d<\/p>\r\n<ul>\r\n<li><p>\u8868\u304c\u51fa\u308b\u3068, \u5ea7\u6a19 \\(x +2(0-x) = -x\\) \u306e\u70b9<\/p><\/li>\r\n<li><p>\u88cf\u304c\u51fa\u308b\u3068, \u5ea7\u6a19 \\(x +2(1-x) = 2-x\\) \u306e\u70b9<\/p><\/li>\r\n<\/ul>\r\n<p>\u306b\u305d\u308c\u305e\u308c\u79fb\u52d5\u3059\u308b.<br \/>\r\n\u3057\u305f\u304c\u3063\u3066, \\(2\\) \u56de\u786c\u8ca8\u3092\u6295\u3052\u3066, \u77f3\u304c\u5143\u306e\u70b9\u306b\u623b\u308b\u306e\u306f, \u300c\u8868\u8868\u300d\u307e\u305f\u306f\u300c\u88cf\u88cf\u300d\u3068\u51fa\u305f\u3068\u304d\u3067\u3042\u308b.<br \/>\r\n\u3088\u3063\u3066, \u6c42\u3081\u308b\u78ba\u7387\u306f\r\n\\[\r\n2 \\left( \\dfrac{1}{2} \\right)^2 = \\underline{\\dfrac{1}{2}}\r\n\\]\r\n<p><strong>(2)<\/strong><\/p>\r\n<p>\u77f3\u304c\u5ea7\u6a19 \\(x\\) \u306e\u70b9\u306b\u3042\u308b\u5834\u5408\u306b, \u786c\u8ca8\u3092 \\(2\\) \u56de\u6295\u3052\u305f\u3068\u304d,<\/p>\r\n<ul>\r\n<li><p>\u300c\u8868\u88cf\u300d\u3068\u51fa\u308b\u3068, \u5ea7\u6a19 \\(2-(-x) = x+2\\) \u306e\u70b9<\/p><\/li>\r\n<li><p>\u300c\u88cf\u8868\u300d\u3068\u51fa\u308b\u3068, \u5ea7\u6a19 \\(-(2-x) = x-2\\) \u306e\u70b9<\/p><\/li>\r\n<\/ul>\r\n<p>\u306b\u305d\u308c\u305e\u308c\u79fb\u52d5\u3059\u308b.<br \/>\r\n\u3057\u305f\u304c\u3063\u3066, \\(2n\\) \u56de\u786c\u8ca8\u3092\u6295\u3052\u3066\u5ea7\u6a19 \\(2n-2\\) \u306e\u70b9\u306b\u9054\u3059\u308b\u306e\u306f\u300c\u8868\u88cf\u300d\u306e\u7d44\u304c \\(n-1\\) \u56de, \u300c\u8868\u8868\u300d\u307e\u305f\u306f\u300c\u88cf\u88cf\u300d\u306e\u7d44\u304c \\(1\\) \u56de\u51fa\u308c\u3070\u3088\u3044.<br \/>\r\n\u3088\u3063\u3066, \u6c42\u3081\u308b\u78ba\u7387\u306f\r\n\\[\r\n{} _ {n} \\text{C} {} _ 1 \\cdot \\dfrac{1}{2} \\left( \\dfrac{1}{4} \\right)^{n-1} = \\underline{\\dfrac{n}{2^{2n-1}}}\r\n\\]\r\n","protected":false},"excerpt":{"rendered":"\u6295\u3052\u305f\u3068\u304d\u8868\u304c\u51fa\u308b\u78ba\u7387\u3068\u88cf\u304c\u51fa\u308b\u78ba\u7387\u304c\u7b49\u3057\u3044\u786c\u8ca8\u3092\u7528\u610f\u3059\u308b. \u6570\u76f4\u7dda\u4e0a\u306b\u77f3\u3092\u7f6e\u304d, \u3053\u306e\u786c\u8ca8\u3092\u6295\u3052\u3066\u8868\u304c\u51fa\u308c\u3070\u6570\u76f4\u7dda\u4e0a\u3067\u539f\u70b9\u306b\u95a2\u3057\u3066\u5bfe\u79f0\u306a\u70b9\u306b\u77f3\u3092\u79fb\u52d5\u3057, \u88cf\u304c\u51fa\u308c\u3070\u6570\u76f4\u7dda\u4e0a\u3067\u5ea7\u6a19 \\(1\\) \u306e\u70b9\u306b\u95a2\u3057\u3066\u5bfe\u79f0\u306a\u70b9\u306b\u77f3\u3092 &hellip; <a href=\"https:\/\/www.roundown.net\/nyushi\/kyr201306\/\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[88],"tags":[140,111],"class_list":["post-792","post","type-post","status-publish","format-standard","hentry","category-kyoto_r_2013","tag-kyoto_r","tag-111"],"_links":{"self":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/comments?post=792"}],"version-history":[{"count":0,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/792\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/media?parent=792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/categories?post=792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/tags?post=792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}