Masanori Ogino 𓀁ギリシアの数字 - Wikipediahttps://ja.wikipedia.org/wiki/%E3%82%AE%E3%83%AA%E3%82%B7%E3%82%A2%E3%81%AE%E6%95%B0%E5%AD%97
真のギリシャ数字について
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