new development

来源: 2011-02-01 07:03:17 [旧帖] [给我悄悄话] 本文已被阅读:

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.