If you solve a from I, should prove II does not have real root,

来源: wxcfan123 于 2011-07-15 14:41:19 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: 谢谢您给我打气, 由 jinjing 于 2011-07-15 11:13:27

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• Wrong way is always as wrong reason. -jinjing- ♀ 给 jinjing 发送悄悄话 (152 bytes) () 07/15/2011 postreply 15:21:12

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