C(9,4) is the same as C(9,5), not a typo

NorthernVA · 2010-04-17 20:54:55Z

C(9,4) is the same as C(9,5), not a typo简介

来源: NorthernVA 于 2010-04-17 20:54:55 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: 只要能做对，害怕解释不了吗？由 cys254 于 2010-04-17 20:39:32

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