{"id":940,"date":"2026-06-05T05:00:00","date_gmt":"2026-06-04T20:00:00","guid":{"rendered":"https:\/\/yamamath.org\/?p=940"},"modified":"2026-04-03T17:55:11","modified_gmt":"2026-04-03T08:55:11","slug":"1190_%e6%ad%a320%e9%9d%a2%e4%bd%93%e3%81%ae%e7%ac%ac15%e3%81%ae%e6%98%9f%e5%bd%a2-%ef%bc%883%ef%bc%89","status":"publish","type":"post","link":"https:\/\/yamamath.org\/?p=940","title":{"rendered":"1190_\u6b6320\u9762\u4f53\u306e\u7b2c15\u306e\u661f\u5f62 \uff083\uff09"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"351\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/s800-e2f1R\uff1de2f1R.jpg\" alt=\"\" class=\"wp-image-941\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/s800-e2f1R\uff1de2f1R.jpg 800w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/s800-e2f1R\uff1de2f1R-300x132.jpg 300w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/s800-e2f1R\uff1de2f1R-768x337.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000s800 e2+f1R\uff1de2f1R.jpg<br>\u3000&#8212;&#8211;<em>&#8212;&#8211;<\/em>&#8212;&#8211;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u305d\u306e\u4ed6\uff1a\u53c2\u8003\u306b\u3057\u305f\u8cc7\u6599\u306a\u3069\u3011<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460 \u300eThe 59 Icosahedra\u300f\u304b\u3089<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u3000\u3000\u5148\u982d\u56f3\u3000s800 e2+f1R\uff1de2f1R.jpg<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461 \u533b\u5e2b \u5ca1\u7530\u597d\u4e00 \u5148\u751f\u306e\u300eicocel\u300f\u304b\u3089<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u3000\u3000s640 icocel_45_\u5ca1\u7530\u597d\u4e00.jpg<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"364\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/s640-icocel_45_\u5ca1\u7530\u597d\u4e00.jpg\" alt=\"\" class=\"wp-image-944\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/s640-icocel_45_\u5ca1\u7530\u597d\u4e00.jpg 640w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/s640-icocel_45_\u5ca1\u7530\u597d\u4e00-300x171.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u2462 \u30b9\u30a4\u30b9\u306e\u4f1a\u793e\uff1aMathConsult \u306e\u30da\u30fc\u30b8\u304b\u3089<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u3000\u3000Stellation No. 19 of the Icosahedron_MathConsult.JPG<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"650\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Stellation-No.-19-of-the-Icosahedron_MathConsult-1024x650.jpg\" alt=\"\" class=\"wp-image-943\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Stellation-No.-19-of-the-Icosahedron_MathConsult-1024x650.jpg 1024w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Stellation-No.-19-of-the-Icosahedron_MathConsult-300x190.jpg 300w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Stellation-No.-19-of-the-Icosahedron_MathConsult-768x487.jpg 768w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Stellation-No.-19-of-the-Icosahedron_MathConsult.jpg 1084w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u2463 Wikipedia \u306a\u3069\uff08\u300cStella\u300dRobert Webb \u3092\u4f7f\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u3000\u3000Fifteenth_stellation_of_icosahedron_wiki.JPG<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"532\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Fifteenth_stellation_of_icosahedron_wiki-1024x532.jpg\" alt=\"\" class=\"wp-image-942\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Fifteenth_stellation_of_icosahedron_wiki-1024x532.jpg 1024w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Fifteenth_stellation_of_icosahedron_wiki-300x156.jpg 300w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Fifteenth_stellation_of_icosahedron_wiki-768x399.jpg 768w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/04\/Fifteenth_stellation_of_icosahedron_wiki.jpg 1100w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u6570\u5b66\u306e\u8a71\u984c\u3011<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000s800 e2+f1R\uff1de2f1R.jpg\u3000&#8212;&#8211;&#8212;&#8211;&#8212;&#8211; 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