the answer=(1+3^.5)/2

来源: jinjing 于 2011-01-22 11:57:34 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: I think you are too careless and put 2 instead of 1/2....the ans 由 jinjing 于 2011-01-22 11:54:07

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