标题误导

来源: guest007 于 2010-09-15 05:23:19 [] [旧帖] [给我悄悄话] 阅读数 : (214 bytes)

Taking 3-D for granted to solve an unsolvable 2-D puzzle…? This is like allowing line crossing in the original 2D puzzle… it is very difficult NOT finding a solution in 3D for any given number of node sets......

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• 学龄前的孩子能这么想问题，很难得，是个 -idiot94- ♂ 给 idiot94 发送悄悄话 idiot94 的博客首页 (352 bytes) () 09/15/2010 postreply 07:53:18

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