also, the question is about ratio not 直线的斜率.

janeice65 · 2012-08-10 08:56:46Z

also, the question is about ratio not 直线的斜率.简介

来源: janeice65 于 2012-08-10 08:56:46 [档案] [旧帖] [给我悄悄话] 阅读数 : (217 bytes)

回答: 你是说就是用数格子的办法，y轴比x轴吗？那我老大倒是用这办法做的。我还觉得他用的办法不正规。由云中飞燕于 2012-08-10 08:35:08

for my No 1 son, he followed the class and I didn't pay any attension for his study. my No 2 son, school insisted he has to skip a grade. I want to make sure he knows all the topics that the grade covered.

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• but it is asked for slope not ratio. -云中飞燕- ♀ (0 bytes) () 08/10/2012 postreply 09:00:09

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