看你這麽一講，那我哪些微積分題都白做了，這裏還是沒用上

來源: bearsback 於 2009-12-06 15:11:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

哈哈哈哈哈哈

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