这题 mathcount 咋做。

来源: playForever 于 2013-02-17 17:24:31 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (309 bytes)

A 3 by 8 inch sheet of paper and a 2 by 12 inch sheet of papaer have the same area. Using just one cut(not necessary straight), the 3 by 8 inch sheet can be divided into two pieces that can be rearranged to completely cover the 2 by 12 inch sheet.

What is the length of the cut ?

 

所有跟帖： 

• 这样 -布衣之才- ♂ 给 布衣之才 发送悄悄话 布衣之才 的博客首页 (128 bytes) () 02/18/2013 postreply 06:54:21

• 同样的想法可剪2X12盖3X8。剪缝1+4+1=5。 -wxcfan123- ♂ 给 wxcfan123 发送悄悄话 (0 bytes) () 02/18/2013 postreply 07:36:07

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