Q-33
is xy>x/y?
(1) xy>0
(2) y<0
我选A,可答案选E,请教思路!!
(1)如X=1/2,Y=1/4,XY=1/8,X/Y=2,XY<X/Y
X=2,Y=4,XY=8,X/Y=1/2,XY>X/Y
所以不确定
thanks !!!!