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标题: GWD10-13 [打印本页]

作者: excellences 时间: 2005-5-22 08:36 标题: GWD10-13

GWD10-13

If x and y are positive, is 3x > 7y?

1 x>y+4

2 –5x<-14y

I think the answer should be B. But it turns out to be D.

作者: girls 时间: 2005-5-22 08:38

I agree B

作者: elites 时间: 2005-5-23 06:42

支持！！[em02]

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