or you can simply count it, if your teacher does not

来源: idiot94 于 2009-01-29 06:20:54 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (43 bytes)
回答: 证明题。。。请帮帮忙 由 17/girl 于 2009-01-27 22:36:46

believe you, ask him to count by himself :D

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