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.
You are not allowed to use graph paper, ruler, and compass
所有跟帖:
• 哈哈,that's why I am an engineer, not a mathematician. -bangbang9814- ♀ (78 bytes) () 12/07/2012 postreply 07:58:54
• MATHCOUNTS is organized by engineers! -BeLe- ♀ (159 bytes) () 12/07/2012 postreply 08:14:13