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。
所有跟帖:
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right
-janeice65-
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08/10/2012 postreply
08:38:04
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also, the question is about ratio not 直线的斜率.
-janeice65-
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08/10/2012 postreply
08:56:46
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but it is asked for slope not ratio.
-云中飞燕-
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08/10/2012 postreply
09:00:09