{"id":9376,"date":"2013-05-03T06:00:00","date_gmt":"2013-05-02T21:00:00","guid":{"rendered":"http:\/\/fujishima.main.jp\/oldpuzzle\/?p=9376"},"modified":"2016-10-28T10:09:16","modified_gmt":"2016-10-28T01:09:16","slug":"b9-002","status":"publish","type":"post","link":"http:\/\/fujishima.main.jp\/oldpuzzle\/2013\/05\/03\/b9-002\/","title":{"rendered":"\u6b63\u56db\u89d2\u9310\u3092\u5207\u308b\u5e73\u9762"},"content":{"rendered":"<p><a href=\"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-content\/uploads\/pyramid.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-content\/uploads\/pyramid-300x253.png\" alt=\"pyramid\" width=\"300\" height=\"253\" class=\"alignnone size-medium wp-image-9377\" \/><\/a><br \/>\n\u4e0a\u56f3\u306e\u3088\u3046\u306a\u3001\u5e95\u9762\u304c\u6b63\u65b9\u5f62ABCD\u3001\u9802\u70b9O\u306e\u6b63\u56db\u89d2\u9310\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u8fbaOB\u4e0a\u306b\u70b9P\u3001\u8fbaOD\u4e0a\u306b\u70b9Q\u3092\u53d6\u308a\u3001\u70b9A\u3001\u70b9P\u3001\u70b9Q\u3092\u901a\u308b\u5e73\u9762\u304c\u3001\u8fbaOC\u3068\u4ea4\u308f\u308b\u70b9\u3092R\u3068\u3057\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067\u3001<br \/>\n(1) OP:PB = 1:1\u3001OQ:QD = 1:1 \u306e\u3068\u304d\u3001OR:RC \u306f\u3044\u304f\u3064\uff1f<br \/>\n(2) OP:PB = 1:1\u3001OQ:QD = 1:2 \u306e\u3068\u304d\u3001OR:RC \u306f\u3044\u304f\u3064\uff1f<br \/>\n<!--more--><br \/>\n<!--nextpage--><br \/>\n\n<strong>\uff08\u6b63\u89e3\uff09<\/strong><br \/>\n(1) OR:RC = 1:2<br \/>\n(2) OR:RC = 1:3<\/p>\n<p><strong>\uff08\u89e3\u304d\u65b9\uff09<\/strong><br \/>\n(1)<br \/>\n<a href=\"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-content\/uploads\/pyramid_solve-1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-content\/uploads\/pyramid_solve-1-300x172.png\" alt=\"pyramid_solve-1\" width=\"300\" height=\"172\" class=\"alignnone size-medium wp-image-9382\" \/><\/a><br \/>\n\u554f\u984c\u306e\u56db\u89d2\u9310\u3092B\u3092\u624b\u524d\u306b\u3057\u3066\u3001B\u3068D\u304c\u4e00\u76f4\u7dda\u4e0a\u306b\u91cd\u306a\u3063\u3066\u898b\u3048\u308b\u3088\u3046\u306b\u771f\u6a2a\u304b\u3089\u898b\u308b\u3068\u3001<br \/>\nP\u306fOB\u306e\u4e2d\u70b9\u3001R\u306fOD\u306e\u4e2d\u70b9\u306a\u306e\u3067\u3001P\u3068Q\u3082\u91cd\u306a\u3063\u3066\u898b\u3048\u3001\u7d50\u5c40\u4e0a\u56f3\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3002<br \/>\n\u3053\u308c\u3092\u4e8c\u6b21\u5143\u5e73\u9762\u56f3\u3068\u898b\u7acb\u3066\u3001O\u3092\u901a\u3063\u3066AC\u306b\u5e73\u884c\u306a\u76f4\u7dda\u3068\u3001AR\u306e\u5ef6\u9577\u7dda\u3068\u306e\u4ea4\u70b9\u3092M\u3068\u3059\u308b\u3002<br \/>\n\u3059\u308b\u3068\u3001OP=PB\u3001\u2220MPO=\u2220APB\u3001\u2220ABP=\u2220MOP=90\u00b0 \u3060\u304b\u3089\u3001\u25b3ABP\u2261\u4e09\u89d2\u5f62MOP\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\u3001MO=AB\u3002<br \/>\n\u307e\u305f\u3001AB=BC \u3060\u304b\u3089\u3001OM:AC = 1:2\u3002<br \/>\n\u6b21\u306b\u3001\u25b3OMR\u3068\u25b3CAR\u306b\u304a\u3044\u3066\u3001OM\u3068AC\u304c\u5e73\u884c\u3060\u304b\u3089\u305d\u308c\u305e\u308c\u306e\u932f\u89d2\u306f\u7b49\u3057\u3044\u306e\u3067\u3001\u3053\u306e\uff12\u3064\u306e\u4e09\u89d2\u5f62\u306f\u76f8\u4f3c\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\u3001OR:RC = OM:AC = 1:2\u3002<br \/>\n(2)<br \/>\n<a href=\"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-content\/uploads\/pyramid_solve-2.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-content\/uploads\/pyramid_solve-2-230x300.png\" alt=\"pyramid_solve-2\" width=\"230\" height=\"300\" class=\"alignnone size-medium wp-image-9383\" \/><\/a><br \/>\n(1)\u3068\u540c\u69d8\u306bB\u3068D\u304c\u91cd\u306a\u308b\u3088\u3046\u306bB\u306e\u5074\u304b\u3089\u898b\u308b\u3053\u3068\u306b\u3059\u308b\u304c\u3001\u4eca\u5ea6\u306fP\u3068Q\u306f\u91cd\u306a\u3089\u306a\u3044\u3002<br \/>\nOAC\u3092\u901a\u308b\u5e73\u9762\u3068\u3001\u76f4\u7ddaPQ\u3068\u306e\u4ea4\u70b9\u3092S\u3068\u3059\u308b\u3068\u3001AS\u306e\u5ef6\u9577\u7dda\u304cOC\u3068\u4ea4\u308f\u3063\u305f\u70b9\u304cR\u3068\u306a\u308b\u306e\u3067\u3001\u307e\u305a\u3001OS:SB\u3092\u6c42\u3081\u308b\u3053\u3068\u3068\u3059\u308b\u3002<br \/>\n\u4e0b\u56f3\u306f\u3001\u56db\u89d2\u9310\u3092\u771f\u4e0a\u304b\u3089\u898b\u305f\u56f3\u3060\u304c\u3001\u3053\u3053\u3067S\u306fO\u306e\u771f\u4e0b\u306b\u3042\u3063\u3066O\u3068\u91cd\u306a\u3063\u3066\u3044\u308b\u3002<br \/>\nOP:PB = 1:1 \u3060\u304b\u3089\u3001OP = 1\/2\u30fb1\/2\u30fbDB = 1\/4\u30fbDB\u3002<br \/>\nOQ:QD = 1:2 \u3060\u304b\u3089\u3001OQ = 1\/3\u30fb1\/2\u30fbDB = 1\/6\u30fbDB\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\u3001OQ:OP = 1\/6 : 1\/4 = 2:3\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\u3001\u4e0a\u56f3\u306b\u304a\u3044\u3066\u3001QS:SP = 2:3\u3002<br \/>\n\u4e0a\u56f3\u3067\u3001OQ:QB = 1:2 \u3088\u308a\u3001OQ = 1\/3\u30fbOB\u3002\u307e\u305f\u3001OP:PB = 1:1 \u3088\u308a\u3001PB = 1\/2\u30fbOB\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\u3001QP = (1-1\/3-1\/2)\u30fbOB = 1\/6\u30fbOB\u3002<br \/>\nQS:SP = 2:3 \u3088\u308a\u3001QS = 2\/(2+3)\u30fb1\/6\u30fbOB = 1\/15\u30fbOB\u3001SP = 3\/(2+3)\u30fb1\/6\u30fbOB = 1\/10\u30fbOB\u3002<br \/>\nOS:SB = (OQ+QS):(SP+PB) = (1\/3\u30fbOB + 1\/15\u30fbOB):(1\/10\u30fbOB + 1\/2\u30fbOB) = 6\/15 : 6\/10 = 2:3\u3002<br \/>\n(1)\u3068\u540c\u69d8\u3001\u25b3OMS \u3068 \u25b3BAS \u306f\u76f8\u4f3c\u5f62\u306b\u306a\u308b\u304b\u3089\u3001OM:AB = OS:SB = 2:3\u3002<br \/>\nAC = 1 \u3068\u3059\u308b\u3068\u3001AB = 1\/2\u30fbAC \u3060\u304b\u3089\u3001OM = 2\/3\u30fbAB = 2\/3\u30fb1\/2\u30fbAC = 1\/3\u30fbAC\u3002<br \/>\nOM:AC = 1:3\u3002<br \/>\n\u25b3OMR \u3068 \u25b3CAR \u3082\u76f8\u4f3c\u5f62\u3060\u304b\u3089\u3001OR:RC = OM:AC = 1:3\u3002<br \/>\n\n","protected":false},"excerpt":{"rendered":"<p>\uff08\u554f\u984c\uff09<br \/>\n<a href=\"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-content\/uploads\/pyramid.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-content\/uploads\/pyramid-300x253.png\" alt=\"pyramid\" width=\"300\" height=\"253\" class=\"alignnone size-medium wp-image-9377\" \/><\/a><br \/>\n\u4e0a\u56f3\u306e\u3088\u3046\u306a\u3001\u5e95\u9762\u304c\u6b63\u65b9\u5f62ABCD\u3001\u9802\u70b9O\u306e\u6b63\u56db\u89d2\u9310\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u8fbaOB\u4e0a\u306b\u70b9P\u3001\u8fbaOD\u4e0a\u306b\u70b9Q\u3092\u53d6\u308a\u3001\u70b9A\u3001\u70b9P\u3001\u70b9Q\u3092\u901a\u308b\u5e73\u9762\u304c\u3001\u8fbaOC\u3068\u4ea4\u308f\u308b\u70b9\u3092R\u3068\u3057\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067\u3001<br \/>\n(1) OP:PB = 1:1\u3001OQ:QD = 1:1 \u306e\u3068\u304d\u3001OR:RC \u306f\u3044\u304f\u3064\uff1f<br \/>\n(2) OP:PB = 1:1\u3001OQ:QD = 1:2 \u306e\u3068\u304d\u3001OR:RC \u306f\u3044\u304f\u3064\uff1f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[167],"tags":[92],"class_list":["post-9376","post","type-post","status-publish","format-standard","hentry","category-diagram_etc","tag-92"],"views":669,"_links":{"self":[{"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/posts\/9376","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\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/comments?post=9376"}],"version-history":[{"count":1,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/posts\/9376\/revisions"}],"predecessor-version":[{"id":14495,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/posts\/9376\/revisions\/14495"}],"wp:attachment":[{"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/media?parent=9376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/categories?post=9376"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fujishima.main.jp\/oldpuzzle\/wp-json\/wp\/v2\/tags?post=9376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}