(x²-2x)/(2y-xy) =
问题描述:
(x²-2x)/(2y-xy) =
答
(x²-2x)/(2y-xy)
=x(x-2)/{-y(x-2)}
=-x/y
(x²-2x)/(2y-xy) =
(x²-2x)/(2y-xy)
=x(x-2)/{-y(x-2)}
=-x/y