Near 100 li.

来源: jinjing 于 2010-05-26 14:23:41 [] [旧帖] [给我悄悄话] 阅读数 : (99 bytes)
回答: 轮子上一点移动多少距离？ 由 guest007 于 2010-05-26 08:47:03

Dear friend,
You think too deep,the answer is near 100 li.It is (r/R)*100 li. 007 is very trick.

所有跟帖： 

• It May be near 200 li. (r/R)*100+100 -jinjing- ♀ 给 jinjing 发送悄悄话 (0 bytes) () 05/26/2010 postreply 14:39:15

• I,m wrong,007 win -jinjing- ♀ 给 jinjing 发送悄悄话 (0 bytes) () 05/26/2010 postreply 15:15:42

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