{"id":1269,"date":"2026-10-23T05:00:00","date_gmt":"2026-10-22T20:00:00","guid":{"rendered":"https:\/\/yamamath.org\/?p=1269"},"modified":"2026-08-05T10:42:18","modified_gmt":"2026-08-05T01:42:18","slug":"1231_%e3%80%8c%e3%82%b7%e3%83%89%e3%83%92%e3%83%89%e3%81%a8%e3%82%bb%e3%82%a4%e3%83%92%e3%83%89%e3%80%8d","status":"publish","type":"post","link":"https:\/\/yamamath.org\/?p=1269","title":{"rendered":"1231_\u300c\u30b7\u30c9\u30d2\u30c9\u3068\u30bb\u30a4\u30d2\u30c9\u300d"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"349\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/08\/1_Co_Oho_Cho-1024x349.jpg\" alt=\"\" class=\"wp-image-1270\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/08\/1_Co_Oho_Cho-1024x349.jpg 1024w, https:\/\/yamamath.org\/wp-content\/uploads\/2026\/08\/1_Co_Oho_Cho-300x102.jpg 300w, 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