回复：第一题答案

来源: 风筝- 于 2009-09-21 10:32:18 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (237 bytes)
本帖于 2009-09-23 04:14:19 时间, 由版主 笑比哭好 编辑
回答: 关于数学，我们还是不要妄自尊大。 由 勃事后 于 2009-09-21 09:13:47

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,...

所有跟帖： 

• 早想到了, 没敢说, 因为双胞胎也有大有小啊! -倪达业- ♂ 给 倪达业 发送悄悄话 (0 bytes) () 09/21/2009 postreply 11:28:50

• 根据出蹄比有鞋定理, 否则就真没解了. -风筝-- ♂ 给 风筝- 发送悄悄话 风筝- 的博客首页 (0 bytes) () 09/21/2009 postreply 11:59:11

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