{"id":749,"date":"2026-03-13T05:00:00","date_gmt":"2026-03-12T20:00:00","guid":{"rendered":"https:\/\/yamamath.org\/?p=749"},"modified":"2026-01-24T12:58:27","modified_gmt":"2026-01-24T03:58:27","slug":"1166_%e8%8f%b1%e5%bd%a2%e5%85%ad%e5%8d%81%e9%9d%a2%e4%bd%93-%e5%86%8d%e3%81%b3","status":"publish","type":"post","link":"https:\/\/yamamath.org\/?p=749","title":{"rendered":"1166_\u83f1\u5f62\u516d\u5341\u9762\u4f53 \u518d\u3073"},"content":{"rendered":"\n<p>\u30001s-400 3-Rhombic_hexecontahedron.jpg<br>\u3000&#8212;&#8211;<em>&#8212;&#8211;<\/em>&#8212;&#8211;<\/p>\n\n\n\n<p>\u3000\u300e\u83f1\u5f62\u516d\u5341\u9762\u4f53\u300f\u306b\u9b45\u305b\u3089\u308c\u3066\u300c\u4f5c\u3063\u3066\u307f\u305f\u3044\uff01\u300d\u3068\u53d6\u308a\u7d44\u3093\u3067\u3044\u305f\u306e\u306f<br>\uff12\u5e74\u534a\u4f59\u308a\u524d\uff082023\u5e745\u6708\uff5e6\u6708\u306e\u9803\uff09\u3067\u3057\u305f\u3002<br>yamaMath 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