隻知道印度人發明了零，想當然把阿拉伯數字當成阿拉伯人發明的了。看來阿凡提早就善於博彩眾長了。謝謝更正，學習了。

來源: 三步兩橋於 2016-03-21 22:57:17 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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