作业帮2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/24 01:49:04
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2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少
2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少
2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少
[2x(x²y-xy²)+xy(xy-x²)]÷x²y
=[2x²y(x-y)+x²y(y-x)]÷x²y
=2(x-y)+(y-x)
=x-y