学帮网2x(x²y-xy²)+xy(xy-x²)]÷x²y等于多少
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/17 06:08:51
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
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来源：学生作业学帮网 编辑：学帮网 时间：2024/05/17 06:08:51
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