you are right in math,but the poor duck has to swim a lot of cir

来源: jinjing 于 2010-05-10 17:57:12 [] [旧帖] [给我悄悄话] 阅读数 : (44 bytes)
回答: 提示 由 guest007 于 2010-05-10 16:20:09

Maybe the optimal curve is as novtim.2 said.

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• No "a lot of cir" -guest007- ♀ 给 guest007 发送悄悄话 (146 bytes) () 05/11/2010 postreply 06:56:59

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