You are not allowed to use graph paper, ruler, and compass

来源: BeLe 于 2012-12-07 07:16:32 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (150 bytes)

This is a typical MATHCOUNTS Spring problem. You are not allowed to use graph paper, ruler, and compass. You have 80 seconds to get the answer.

所有跟帖： 

• 哈哈,that's why I am an engineer, not a mathematician. -bangbang9814- ♀ 给 bangbang9814 发送悄悄话 (78 bytes) () 12/07/2012 postreply 07:58:54

• MATHCOUNTS is organized by engineers! -BeLe- ♀ 给 BeLe 发送悄悄话 BeLe 的博客首页 (159 bytes) () 12/07/2012 postreply 08:14:13

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