哈哈正等你呢，邏輯上非非一下，就有結果。山寨出這麽簡單的給＂學數學聰明＂的鴨子呀。

來源: talkatwxc 於 2015-04-29 11:10:05 [舊帖] [給我悄悄話] 本文已被閱讀：次

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