new development

来源: calligraphy 于 2011-02-01 07:03:17 [档案] [旧帖] [给我悄悄话] 阅读数 : (250 bytes)

回答: a seemly easy problem 由 calligraphy 于 2011-01-27 18:01:29

The problem I gave was from a weekly math contest web. Today I found it was silently removed. The report said only three students got right answer and there were about 500 submissions of answers. I BET they wanted 32% as a RIGHT (GOOD) answer.