问号中数字137＝(6+7)(8-1)=91

来源: 晶体管发射极于 2021-05-28 05:43:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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问号中数字13*7＝(6+7)*(8-1)=91