要是事事都從數學公理開始談起的話不知要到猴年馬月呢。

來源: 26484915 於 2014-07-12 08:57:57 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.