Given a,b,c satisfy c<b<a and ac<0,then which one is not sure to be correct in t
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Given a,b,c satisfy c<b<a and ac<0,then which one is not sure to be correct in the following inequalities?( ) (英汉词典:besureto确定;correct正确的;inequality不等式)
Given a,b,c satisfy c<b<a and ac<0,then which one is not sure to be correct in the following inequalities?( ) (英汉词典:besureto确定;correct正确的;inequality不等式)