isn't o =2?

来源: calligraphy 于 2011-01-07 12:17:40 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

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• You are right, I lost o =2, So,this Q is perfect. Don't be revi -jinjing- ♀ 给 jinjing 发送悄悄话 (40 bytes) () 01/07/2011 postreply 12:31:04

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