but it is asked for slope not ratio.

云中飞燕 · 2012-08-10 09:00:09Z

but it is asked for slope not ratio.简介

来源: 云中飞燕于 2012-08-10 09:00:09 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: also, the question is about ratio not 直线的斜率. 由 janeice65 于 2012-08-10 08:56:46

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