{"id":1004,"date":"2026-07-06T05:00:00","date_gmt":"2026-07-05T20:00:00","guid":{"rendered":"https:\/\/yamamath.org\/?p=1004"},"modified":"2026-05-12T10:10:11","modified_gmt":"2026-05-12T01:10:11","slug":"1199_project-gutenberg","status":"publish","type":"post","link":"https:\/\/yamamath.org\/?p=1004","title":{"rendered":"1199_Project Gutenberg"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"567\" src=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/05\/s640-\u30ab\u30f3\u30bf\u30d9\u30ea\u30fc\u30fb\u30d1\u30ba\u30eb_wiki\u306e\u5916\u90e8\u30ea\u30f3\u30af\u304b\u3089.jpg\" alt=\"\" class=\"wp-image-1005\" style=\"aspect-ratio:1.128776033523047;width:583px;height:auto\" srcset=\"https:\/\/yamamath.org\/wp-content\/uploads\/2026\/05\/s640-\u30ab\u30f3\u30bf\u30d9\u30ea\u30fc\u30fb\u30d1\u30ba\u30eb_wiki\u306e\u5916\u90e8\u30ea\u30f3\u30af\u304b\u3089.jpg 640w, 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