你不是學數學的吧？括號裏麵的永遠是第一算，然後是乘，最後是除法。這個是法則！

來源: ^3.1415926^ 於 2012-11-25 09:54:37 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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