{"id":1196,"date":"2015-07-29T10:02:04","date_gmt":"2015-07-29T01:02:04","guid":{"rendered":"http:\/\/www.roundown.net\/nyushi\/?p=1196"},"modified":"2021-10-23T02:58:11","modified_gmt":"2021-10-22T17:58:11","slug":"wsr201403","status":"publish","type":"post","link":"https:\/\/www.roundown.net\/nyushi\/wsr201403\/","title":{"rendered":"\u65e9\u7a32\u7530\u7406\u5de52014\uff1a\u7b2c3\u554f"},"content":{"rendered":"
\n

\u7acb\u65b9\u4f53\u306e\u9762\u3092 \\(3\\) \u8272\u3092\u7528\u3044\u3066 \\(2\\) \u3064\u305a\u3064\u540c\u3058\u8272\u306b\u5857\u308b. \u6b21\u306e\u554f\u306b\u7b54\u3048\u3088.<\/p>\r\n

    \r\n

  1. (1)<\/strong>\u3000\u5411\u304b\u3044\u5408\u3046 \\(2\\) \u9762\u304c, \u3069\u306e\u7d44\u306b\u3064\u3044\u3066\u3082\u540c\u3058\u8272\u3067\u5857\u3089\u308c\u308b\u78ba\u7387\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n

  2. (2)<\/strong>\u3000\u5411\u304b\u3044\u5408\u3046 \\(2\\) \u9762\u304c, \u3069\u306e\u7d44\u306b\u3064\u3044\u3066\u3082\u540c\u3058\u8272\u306b\u306a\u3089\u306a\u3044\u78ba\u7387\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n

  3. (3)<\/strong>\u3000\u5411\u304b\u3044\u5408\u3046 \\(2\\) \u9762\u306e\u7d44\u306e\u3046\u3061, \\(2\\) \u9762\u306e\u8272\u304c\u540c\u3058\u306b\u306a\u308b\u7d44\u306e\u500b\u6570\u306e\u671f\u5f85\u5024\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n<\/ol>\r\n

    \r\n\r\n

    \u3010 \u89e3 \u7b54 \u3011<\/h4>\r\n

    \\(6\\) \u3064\u306e\u9762\u3092, \\(3\\) \u8272 \\(2\\) \u9762\u305a\u3064\u306b\u5857\u308b\u65b9\u6cd5\u306f, \u5168\u90e8\u3067\r\n\\[\r\n\\dfrac{6 !}{2 ! 2 ! 2 !} = 90 \\ \\text{\u901a\u308a}\r\n\\]\r\n

    (1)<\/strong><\/p>\r\n

    \u6761\u4ef6\u3092\u307f\u305f\u3059\u5857\u308a\u65b9\u306f, \\(3\\) \u7d44\u306e\u5411\u304b\u3044\u5408\u3046\u9762\u306e\u5857\u308a\u65b9\u306a\u306e\u3067\r\n\\[\r\n3 ! = 6 \\ \\text{\u901a\u308a}\r\n\\]\r\n\u3088\u3063\u3066, \u6c42\u3081\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{6}{90} = \\underline{\\dfrac{1}{15}}\r\n\\]\r\n

    (2)<\/strong><\/p>\r\n

    \\(1\\) \u8272\u76ee\u306e \\(1\\) \u3064\u306e\u9762\u304c\u7acb\u65b9\u4f53\u306e\u4e0a\u9762\u3067\u3042\u308b\u3068\u8003\u3048\u308b.
    \r\n\u3053\u306e\u3068\u304d, \\(1\\) \u8272\u76ee\u306e \u3082\u3046 \\(1\\) \u3064\u306e\u9762\u306f, \\(4\\) \u3064\u306e\u5074\u9762\u306e\u3044\u305a\u308c\u304b\u3068\u306a\u308b.
    \r\n\u6b8b\u308a \\(4\\) \u9762\u3092, \u5411\u304b\u3044\u5408\u3046\u9762\u304c\u540c\u3058\u8272\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b, \u6b8b\u308a\u306e \\(2\\) \u8272\u76ee, \\(3\\) \u8272\u76ee\u3067\u5857\u308b\u65b9\u6cd5\u306f \\(2\\) \u901a\u308a.
    \r\n\\(1\\) \uff5e \\(3\\) \u8272\u76ee\u3078\u306e\u8272\u306e\u5272\u5f53\u3066\u65b9\u3082\u8003\u616e\u3059\u308c\u3070, \u6761\u4ef6\u3092\u307f\u305f\u3059\u5857\u308a\u65b9\u306f\r\n\\[\r\n4 \\cdot 2 \\cdot 3 ! = 48 \\ \\text{\u901a\u308a}\r\n\\]\r\n\u3088\u3063\u3066, \u6c42\u3081\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{48}{90} = \\underline{\\dfrac{8}{15}}\r\n\\]\r\n

    (3)<\/strong><\/p>\r\n

    \u5411\u304b\u3044\u5408\u3046 \\(2\\) \u9762\u304c \\(2\\) \u7d44\u3060\u3051\u540c\u3058\u8272\u3068\u306a\u308b\u3053\u3068\u306f\u306a\u3044\u306e\u3067, \\(1\\) \u7d44\u3060\u3051\u540c\u3058\u8272\u306b\u306a\u308b\u5834\u5408\u306f\r\n\\[\r\n90 -6 -48 = 36 \\ \\text{\u901a\u308a}\r\n\\]\r\n\u3067, \u305d\u306e\u3088\u3046\u306b\u306a\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{36}{90} = \\dfrac{2}{5}\r\n\\]\r\n\u3088\u3063\u3066, \u6c42\u3081\u308b\u671f\u5f85\u5024\u306f\r\n\\[\r\n3 \\cdot \\dfrac{1}{15} +2 \\cdot 0 +1 \\cdot \\dfrac{2}{5} +0 \\cdot \\dfrac{8}{15} = \\underline{\\dfrac{3}{5}}\r\n\\]\r\n","protected":false},"excerpt":{"rendered":"\u7acb\u65b9\u4f53\u306e\u9762\u3092 \\(3\\) \u8272\u3092\u7528\u3044\u3066 \\(2\\) \u3064\u305a\u3064\u540c\u3058\u8272\u306b\u5857\u308b. \u6b21\u306e\u554f\u306b\u7b54\u3048\u3088. (1)\u3000\u5411\u304b\u3044\u5408\u3046 \\(2\\) \u9762\u304c, \u3069\u306e\u7d44\u306b\u3064\u3044\u3066\u3082\u540c\u3058\u8272\u3067\u5857\u3089\u308c\u308b\u78ba\u7387\u3092\u6c42\u3081\u3088. (2)\u3000\u5411\u304b\u3044\u5408\u3046 \\(2\\) \u9762\u304c, \u3069 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/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":[120],"tags":[147,112],"class_list":["post-1196","post","type-post","status-publish","format-standard","hentry","category-waseda_r_2014","tag-waseda_r","tag-112"],"_links":{"self":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/1196","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=1196"}],"version-history":[{"count":0,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/1196\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/media?parent=1196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/categories?post=1196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/tags?post=1196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}