作业帮计算[x(x²y²-xy)-y(x²-x³y)]÷3x²y
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/12 19:18:10
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计算[x(x²y²-xy)-y(x²-x³y)]÷3x²y
计算[x(x²y²-xy)-y(x²-x³y)]÷3x²y
计算[x(x²y²-xy)-y(x²-x³y)]÷3x²y
[x(x²y²-xy)-y(x²-x³y)]÷3x²y
=(x³y²-x²y-x²y+x³y²)÷3x²y
=2(x³y²-x²y)÷3x²y
=(2/3)(xy-1)
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=2（XY-1）/3