{"id":1304,"date":"2026-11-06T05:00:00","date_gmt":"2026-11-05T20:00:00","guid":{"rendered":"https:\/\/yamamath.org\/?p=1304"},"modified":"2026-08-18T14:17:23","modified_gmt":"2026-08-18T05:17:23","slug":"1235_%e5%b0%8f12%e3%83%bb20%e3%83%bb12%e9%9d%a2%e4%bd%93-%ef%bc%88%e3%82%b5%e3%83%87%e3%82%a3%e3%83%89%ef%bc%89","status":"publish","type":"post","link":"https:\/\/yamamath.org\/?p=1304","title":{"rendered":"1235_\u5c0f12\u30fb20\u30fb12\u9762\u4f53 \uff08\u30b5\u30c7\u30a3\u30c9\uff09"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"479\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/08\/1_s640_SmallDodecicosidodeca_Robery-Webb.jpg\" alt=\"\" class=\"wp-image-1305\" style=\"width:529px;height:auto\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/08\/1_s640_SmallDodecicosidodeca_Robery-Webb.jpg 640w, 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