{"id":265,"date":"2016-09-19T18:05:30","date_gmt":"2016-09-19T09:05:30","guid":{"rendered":"https:\/\/koukou-juken.com\/?p=265"},"modified":"2016-09-19T18:05:30","modified_gmt":"2016-09-19T09:05:30","slug":"toritsu-nishi-2016math-4","status":"publish","type":"post","link":"https:\/\/koukou-juken.valleyin.cloud\/?p=265","title":{"rendered":"\u3010\u90fd\u7acb\u897f\u9ad8\u7b49\u5b66\u6821\u30112016\u5e74\u5ea6\u6570\u5b66\u904e\u53bb\u554f\u5927\u554f4\u89e3\u8aac"},"content":{"rendered":"<p>[mathjax]<\/p>\n<h2>\u90fd\u7acb\u897f\u306e\u5927\u554f4\u3092\u89e3\u304f\u4e0a\u3067\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n<ul>\n<li>\u52d5\u70b9\u306e\u52d5\u304d\u3068\u4f4d\u7f6e<\/li>\n<li>\u56f3\u5f62\u306e\u76f8\u4f3c\u3068\u9762\u7a4d\u6bd4\uff0c\u4f53\u7a4d\u6bd4<\/li>\n<\/ul>\n<p>\u304c\u91cd\u8981\u3067\u3059\uff0e<\/p>\n<p><!--more--><\/p>\n<p><a href=\"https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/2016\u5e74\u5ea6-\u6570\u5b66-\u904e\u53bb\u554f.pdf\">\u90fd\u7acb\u897f \u6570\u5b66 2016\u5e74\u5ea6(\u554f\u984c)<\/a><sup>*1<\/sup><\/p>\n<p>&nbsp;<\/p>\n<h2>\u3014\u554f\uff11\u30151\uff0c2\u5206\u3067\u7d42\u308f\u3089\u305b\u307e\u3057\u3087\u3046\uff01<\/h2>\n<h3>\u3010\u8a73\u3057\u3044\u89e3\u8aac\u3011<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-304\" src=\"https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c91-1.jpg\" alt=\"%e3%82%b9%e3%83%a9%e3%82%a4%e3%83%891\" width=\"1280\" height=\"720\" srcset=\"https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c91-1.jpg 1280w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c91-1-300x169.jpg 300w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c91-1-1024x576.jpg 1024w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c91-1-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u56f3\u306e\u3088\u3046\u306bOP\uff1d2OQ\u306b\u306a\u308b\u307e\u3067\u306e\u6642\u9593\u3092<em>t\uff3b\u79d2\uff3d<\/em>\u3068\u304a\u304f\u3068<\/p>\n<p>$$\\rm OP=4\\it t\\rm [cm], OQ=60-2\\it t\\rm [cm]$$<\/p>\n<p>\u3088\u3063\u3066OP\uff1d2OQ\u306b\u4ee3\u5165\u3059\u308b\u3068<\/p>\n<p>$$4t=2\\times(60-2t)\\\\8t=120\\\\t=15[\u79d2]$$<\/p>\n<p>&nbsp;<\/p>\n<h2>\u3014\u554f\uff12\u3015\uff08\uff11\uff095\u5206\u7a0b\u5ea6\u3068\u89e3\u3051\u308b\u3068\u826f\u3044\uff01\u9014\u4e2d\u5f0f\u3082\u4e01\u5be7\u306b\uff01<\/h2>\n<h3>\u3010\u30d2\u30f3\u30c8\u3011<\/h3>\n<p>\u4f53\u7a4d\u3092\u3080\u3084\u307f\u3084\u305f\u3089\u306b\u6c42\u3081\u308b\u306e\u3067\u306f\u306a\u304f\uff0c\u5e95\u9762\u306e\u76f8\u4f3c\u3092\u5229\u7528\u3057\u3066\u3042\u3052\u308b\u3068\u7c21\u5358\u306b\u6c42\u307e\u308a\u307e\u3059\uff0e<\/p>\n<h3>\u3010\u8a73\u3057\u3044\u89e3\u8aac\u3011<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-305\" src=\"https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c92-1.jpg\" alt=\"%e3%82%b9%e3%83%a9%e3%82%a4%e3%83%892\" width=\"1280\" height=\"720\" srcset=\"https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c92-1.jpg 1280w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c92-1-300x169.jpg 300w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c92-1-1024x576.jpg 1024w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c92-1-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" 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\u25b3OAC\u223d\u25b3OPR\u3088\u308a\u76f8\u4f3c\u6bd4\u306f\\\\\u25b3OAC:\u25b3OPR\uff1d60:40=3:2\\\\\u9762\u7a4d\u6bd4\u306f\u25b3OAC:\u25b3OPR\uff1d9:4\\\\\\frac{\u25b3OPR}{\u25b3OAC}=\\frac{4}{9}$$<\/p>\n<p>\u3086\u3048\u306b<\/p>\n<p>$$\\rm(\u7acb\u4f53O-PQR)=\\frac{4}{9}(\u7acb\u4f53O-ABC)$$<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u7b54\u3048\u306f<\/p>\n<p>$$\\frac{4}{9}\u500d$$<\/p>\n<p>&nbsp;<\/p>\n<h2>\u3014\u554f\uff12\u3015\uff08\uff12\uff095\u5206\u7a0b\u5ea6\u3068\u89e3\u3051\u308b\u3068\u826f\u3044\uff01<\/h2>\n<h3>\u3010\u30d2\u30f3\u30c8\u3011<\/h3>\n<p>\u70b9R\u306e\u52d5\u304d\u306f\u307e\u305a\u7121\u8996\u3057\uff0cOP=OQ\u306b\u306a\u308b\u3068\u304d\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u305d\u306e\u3068\u304d\u306b\u52d5\u70b9P\u3068\u52d5\u70b9Q\u306e\u52d5\u304d\u3092\u6574\u7406\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\uff01<\/p>\n<p>&nbsp;<\/p>\n<h3>\u3010\u8a73\u3057\u3044\u89e3\u8aac\u3011<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-306\" src=\"https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u56f3\u5f62-\u30a2\u30cb\u30e1.gif\" alt=\"%e5%9b%b3%e5%bd%a2%e3%80%80%e3%82%a2%e3%83%8b%e3%83%a1\" width=\"1280\" height=\"720\" \/><\/p>\n<p>\u30d2\u30f3\u30c8\u306b\u3042\u308b\u3088\u3046\u306b\uff0c\u307e\u305a\u52d5\u70b9P\u3068\u52d5\u70b9Q\u306e\u52d5\u304d\u3068\u4f4d\u7f6e\u306b\u3064\u3044\u3066\u8003\u3048\u307e\u3059\uff0e<\/p>\n<p>30&lt;<em>x\u00a0<\/em>&lt;60\u3092\u7d30\u304b\u304f\u5206\u5272\u3057\uff0c\u4f4d\u7f6e\u95a2\u4fc2\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>(i) 30&lt;<em>x\u00a0<\/em>\u226640\u306e\u3068\u304d<\/p>\n<p>\u52d5\u70b9P\u306fOP\uff1d0\uff5e40 cm<br \/>\n \u52d5\u70b9Q\u306fOQ\uff1d0 cm\uff08\u70b9O\u304b\u3089\u52d5\u304b\u306a\u3044\uff09<\/p>\n<p>(ii) 40&lt;<em>x\u00a0<\/em>\u226645\u306e\u3068\u304d<\/p>\n<p>\u52d5\u70b9P\u306fOP\uff1d40\uff5e60 cm<br \/>\n \u52d5\u70b9Q\u306fOQ\uff1d0\uff5e10 cm<\/p>\n<p>(iii) 45&lt;<em>x\u00a0<\/em>&lt;60\u306e\u3068\u304d<\/p>\n<p>\u52d5\u70b9P\u306fOP\uff1d60\uff5e0 cm<br \/>\n \u52d5\u70b9Q\u306fOQ\uff1d10\uff5e40 cm<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-307\" src=\"https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c97.jpg\" alt=\"%e3%82%b9%e3%83%a9%e3%82%a4%e3%83%897\" width=\"1280\" height=\"720\" srcset=\"https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c97.jpg 1280w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c97-300x169.jpg 300w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c97-1024x576.jpg 1024w, https:\/\/koukou-juken.valleyin.cloud\/wp-content\/uploads\/2016\/09\/\u30b9\u30e9\u30a4\u30c97-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u3053\u306e\u3053\u3068\u304b\u3089\uff0cOP=OQ\u3068\u306a\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u3042\u308b\u306e\u306f(iii)\u306e 45&lt;<em>x\u00a0<\/em>&lt;60\u306e\u3068\u304d\u3067\u3059\uff0e<\/p>\n<p>\u3067\u306f<em>x<\/em>\uff1d45[\u79d2]\u304b\u3089<em>t\u00a0<\/em>\u79d2\u5f8c\u306bOP=OQ\u3068\u306a\u308b\u3053\u3068\u3092\u5f0f\u306b\u8868\u3057\uff0c\u89e3\u304f\u3068<\/p>\n<p>$$\\rm OP=OQ\\\\60-4\\it t\\rm=10+2\\it t\\rm\\\\6\\it t\\rm=50\\\\\\it t\\rm=\\frac{25}{3}[\u79d2]$$<\/p>\n<p>\u3053\u306e\u3068\u304d\u306e\u7dda\u5206OP\uff08\u307e\u305f\u306f\u7dda\u5206OQ\uff09\u306e\u9577\u3055\u306f<\/p>\n<p>$$10+\\frac{25}{3}\\times2=\\frac{80}{3}[\\rm cm]$$<\/p>\n<p>\u3053\u3053\u3067\u4eee\u5b9a\u3088\u308a\u52d5\u70b9R\u306f1\u5f80\u5fa9\u3059\u308b\u306e\u306b2\u5206\u4ee5\u4e0a\u304b\u304b\u308b\uff0e\u3064\u307e\u308a\u7247\u90531\u5206\u4ee5\u4e0a\u304b\u304b\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\uff0e<br \/>\n <em>a\u00a0<\/em>&lt;1 [cm\/s]\u304c\u6761\u4ef6\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p>$$\\rm \u52d5\u70b9R\u306f45+\\it t\\rm [\u79d2]\u5f8c\u306b\\\\\u7dda\u5206OR\u304c\\frac{80}{3}[cm]\u306b\u306a\u308b\u3053\u3068\u304b\u3089\\\\\\it a\\rm(45+\\frac{25}{3})=\\frac{80}{3}\\\\\\it a\\rm(\\frac{160}{3})=\\frac{80}{3}\\\\\\it a\\rm=\\frac{1}{2}[cm\/s]$$<\/p>\n<p>\u3088\u3063\u3066<\/p>\n<p>$$a\\rm=\\frac{1}{2}[cm\/s]$$<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5f15\u7528\u6587\u732e<\/h2>\n<ol>\n<li>\u90fd\u7acb\u897f\u9ad8\u7b49\u5b66\u6821HP\u3000URL:\u00a0http:\/\/www.nishi-h.metro.tokyo.jp\/menu09.html<br \/>\n \u95b2\u89a7\u65e5:2016\u5e749\u67087\u65e5<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>[mathjax] \u90fd\u7acb\u897f\u306e\u5927\u554f4\u3092\u89e3\u304f\u4e0a\u3067\u306e\u30dd\u30a4\u30f3\u30c8 \u52d5\u70b9\u306e\u52d5\u304d\u3068\u4f4d\u7f6e \u56f3\u5f62\u306e\u76f8\u4f3c\u3068\u9762\u7a4d\u6bd4\uff0c\u4f53\u7a4d\u6bd4 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