回复:回复:回复:有一题大家可以试试

来源: mathfun 2005-01-23 16:28:31 [] [旧帖] [给我悄悄话] 本文已被阅读: 次 (234 bytes)
回答: 回复:有一题大家可以试试mathfun2005-01-23 13:06:03
Get your point. The problem reduces to that given a square ABCD. Start from A, reach CD at E, then back to D. By intuition, the solution is let E be the midle point of CD, go though AEB.
The total is: (sqr(5) + Pi + 1)*10 = 63.7...

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