回复：Again, 您的担心是多余的。

来源: 于 2011-11-02 18:29:02 [旧帖] [给我悄悄话] 本文已被阅读：次

（1/n)^(1/n) is uniquely determined ? when n = 2, 4 they are same. Math is not about looks like. You have to  prove it by math way.