回复:你的思路很好,但题目这是针对最后一种情况,而且应该只有一个确定的答案

来源: 2010-02-12 09:42:22 [旧帖] [给我悄悄话] 本文已被阅读:

I did not get it- you have to explain to me why other two answers are not good -
3x:5x:8x
1x:3x:4x