回复：第一题答案

来源: 于 2009-09-21 10:32:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

yes, 9,2,2 is right answer, but not because of their sum is 13.

The mother said: 说了对你也没有帮助. This means you need first find out those answers their sum are same, and you can find that 6,1,1 and 9,2,2 are the only ones,...