{"id":496,"date":"2012-11-30T21:28:40","date_gmt":"2012-11-30T12:28:40","guid":{"rendered":"http:\/\/www.roundown.net\/nyushi\/?p=496"},"modified":"2021-09-27T21:04:49","modified_gmt":"2021-09-27T12:04:49","slug":"thr201003","status":"publish","type":"post","link":"https:\/\/www.roundown.net\/nyushi\/thr201003\/","title":{"rendered":"\u6771\u5317\u5927\u7406\u7cfb2010\uff1a\u7b2c3\u554f"},"content":{"rendered":"<hr \/>\n<p>\\(1, 2, 3, 4\\) \u306e\u6570\u5b57\u304c \\(1\\) \u3064\u305a\u3064\u66f8\u304b\u308c\u305f \\(4\\) \u679a\u306e\u30ab\u30fc\u30c9\u3092\u7528\u3044\u3066, \u6b21\u306e\u624b\u9806\u3067 \\(5\\) \u6841\u306e\u6574\u6570\u3092\u3064\u304f\u308b.\r\n\u307e\u305a \\(1\\) \u679a\u3092\u53d6\u308a\u51fa\u3057\u3066\u73fe\u308c\u305f\u6570\u5b57\u3092 \\(1\\) \u306e\u4f4d\u3068\u3059\u308b.\r\n\u53d6\u308a\u51fa\u3057\u305f \\(1\\) \u679a\u3092\u5143\u306b\u623b\u3057, \\(4\\) \u679a\u306e\u30ab\u30fc\u30c9\u3092\u3088\u304f\u6df7\u305c\u3066, \u518d\u3073 \\(1\\) \u679a\u3092\u53d6\u308a\u51fa\u3057\u3066\u73fe\u308c\u305f\u6570\u5b57\u3092 \\(10\\) \u306e\u4f4d\u3068\u3059\u308b.\r\n\u3053\u306e\u3088\u3046\u306a\u64cd\u4f5c\u3092 \\(5\\) \u56de\u7e70\u308a\u8fd4\u3057\u3066, \\(5\\) \u6841\u306e\u6574\u6570\u3092\u3064\u304f\u308b. \u5f97\u3089\u308c\u305f\u6574\u6570\u3092 \\(X\\) \u3068\u3059\u308b\u3068\u304d, \u4ee5\u4e0b\u306e\u554f\u3044\u306b\u7b54\u3048\u3088.<\/p>\r\n<ol>\r\n<li><p><strong>(1)<\/strong>\u3000\\(X\\) \u306b\u6570\u5b57 \\(1\\) \u304c\u3061\u3087\u3046\u3069 \\(2\\) \u56de\u73fe\u308c\u308b\u78ba\u7387\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n<li><p><strong>(2)<\/strong>\u3000\\(X\\) \u306b\u6570\u5b57 \\(1\\) \u3068\u6570\u5b57 \\(2\\) \u304c\u3061\u3087\u3046\u3069 \\(1\\) \u56de\u305a\u3064\u73fe\u308c\u308b\u78ba\u7387\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n<li><p><strong>(3)<\/strong>\u3000\\(X\\) \u306b\u3061\u3087\u3046\u3069 \\(2\\) \u56de\u73fe\u308c\u308b\u6570\u5b57\u304c \\(1\\) \u7a2e\u985e\u4ee5\u4e0a\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>\\(5\\) \u6841\u306e\u6574\u6570\u306f\u5168\u90e8\u3067, \\(4^5\\) \u901a\u308a\u3042\u308a, \u305d\u308c\u305e\u308c\u306e\u6574\u6570\u304c\u5f97\u3089\u308c\u308b\u78ba\u7387\u306f\u540c\u69d8\u306b\u78ba\u304b\u3089\u3057\u3044.<br \/>\r\n\\(1\\) \u304c\u73fe\u308c\u308b\u6841\u306e\u9078\u3073\u65b9\u306f \\({} _ {5} \\text{C} {} _ 2\\) \u901a\u308a, \u4ed6\u306e3\u6841\u306e \\(3\\) \u7a2e\u985e\u306e\u6570\u5b57\u306e\u4e26\u3079\u65b9\u306f \\(3^3\\) \u901a\u308a\u3042\u308b\u306e\u3067, \u6c42\u3081\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {5} \\text{C} {} _ 2 \\cdot 3^3}{4^5} = \\underline{\\dfrac{135}{512}}\r\n\\]\r\n<p><strong>(2)<\/strong><\/p>\r\n<p>\\(1, 2\\) \u304c\u73fe\u308c\u308b\u6841\u306e\u9078\u3073\u65b9\u306f \\({} _ {5}\\text{P} _ 2\\) \u901a\u308a, \u4ed6\u306e \\(3\\) \u6841\u306e \\(2\\) \u7a2e\u985e\u306e\u6570\u5b57\u306e\u4e26\u3079\u65b9\u306f \\(2^3\\) \u901a\u308a\u3042\u308b\u306e\u3067, \u6c42\u3081\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {5}\\text{P} _ 2 \\cdot 2^3}{4^5} = \\underline{\\dfrac{5}{32}}\r\n\\]\r\n<p><strong>(3)<\/strong><\/p>\r\n<p>\u6b21\u306e \\(2\\) \u3064\u306e\u5834\u5408\u306b\u5206\u3051\u3066\u8003\u3048\u308b.<\/p>\r\n<ol>\r\n<li><p><strong>1*<\/strong>\u3000\u3061\u3087\u3046\u3069 \\(2\\) \u56de\u73fe\u308c\u308b\u6570\u5b57\u304c \\(1\\) \u7a2e\u985e\u3060\u3051\u306e\u3068\u304d<br \/>\r\n\\(2\\) \u56de\u73fe\u308c\u308b\u6570\u5b57\u306e\u9078\u3073\u65b9\u306f \\({} _ {4} \\text{C} {} _ 1\\) \u901a\u308a, \u305d\u308c\u304c\u73fe\u308c\u308b\u6841\u306e\u9078\u3073\u65b9\u306f \\({} _ {5} \\text{C} {} _ 2\\) \u901a\u308a, \u4ed6\u306e \\(3\\) \u6841\u306e \\(3\\) \u7a2e\u985e\u306e\u6570\u5b57\u306e\u4e26\u3079\u65b9\u306f\u300c \\(3\\) \u7a2e\u985e\u304c \\(1\\) \u56de\u305a\u3064\u300d\u304b\u300c \\(1\\) \u7a2e\u985e\u304c \\(3\\) \u56de\u300d\u73fe\u308c\u308b\u3068\u304d\u3092\u8003\u3048\u3066, \\(3 ! +3\\) \u901a\u308a\u3042\u308b\u306e\u3067\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ 1 \\cdot {} _ {5} \\text{C} {} _ 2 \\cdot ( 3 ! +3 )}{4^5} = \\dfrac{360}{4^5}\r\n\\]<\/li>\r\n<li><p><strong>2*<\/strong>\u3000\u3061\u3087\u3046\u3069 \\(2\\) \u56de\u73fe\u308c\u308b\u6570\u5b57\u304c \\(2\\) \u7a2e\u985e\u306e\u3068\u304d<br \/>\r\n\\(2\\) \u56de\u73fe\u308c\u308b\u6570\u5b57\u306e\u9078\u3073\u65b9\u306f \\({} _ {4} \\text{C} {} _ 2\\) \u901a\u308a, \u305d\u308c\u304c\u73fe\u308c\u308b\u6841\u306e\u9078\u3073\u65b9\u306f \\({} _ {5} \\text{C} {} _ 2 \\cdot {} _ {3} \\text{C} {} _ 2\\) \u901a\u308a, \u4ed6\u306e \\(1\\) \u6841\u306e \\(2\\) \u7a2e\u985e\u306e\u6570\u5b57\u306e\u4e26\u3079\u65b9\u306f \\(2\\) \u901a\u308a\u3042\u308b\u306e\u3067\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ 2 \\cdot {} _ {5} \\text{C} {} _ 2 \\cdot {} _ {3} \\text{C} {} _ 2 \\cdot 2}{4^5} = \\dfrac{360}{4^5}\r\n\\]<\/li>\r\n<\/ol>\r\n<p>\u4ee5\u4e0a\u3088\u308a, \u6c42\u3081\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{360}{4^5} +\\dfrac{360}{4^5} = \\underline{\\dfrac{45}{64}}\r\n\\]\r\n","protected":false},"excerpt":{"rendered":"\\(1, 2, 3, 4\\) \u306e\u6570\u5b57\u304c \\(1\\) \u3064\u305a\u3064\u66f8\u304b\u308c\u305f \\(4\\) \u679a\u306e\u30ab\u30fc\u30c9\u3092\u7528\u3044\u3066, \u6b21\u306e\u624b\u9806\u3067 \\(5\\) \u6841\u306e\u6574\u6570\u3092\u3064\u304f\u308b. \u307e\u305a \\(1\\) \u679a\u3092\u53d6\u308a\u51fa\u3057\u3066\u73fe\u308c\u305f\u6570\u5b57\u3092 \\(1\\) \u306e\u4f4d\u3068\u3059\u308b. \u53d6 &hellip; <a href=\"https:\/\/www.roundown.net\/nyushi\/thr201003\/\">\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":[74],"tags":[148,14],"class_list":["post-496","post","type-post","status-publish","format-standard","hentry","category-tohoku_r_2010","tag-tohoku_r","tag-14"],"_links":{"self":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/496","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=496"}],"version-history":[{"count":0,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/496\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/media?parent=496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/categories?post=496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/tags?post=496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}