计算:[x(x2y2-xy)-y(x2+x3y)]÷3x2y.-数学

题目简介

计算:[x(x2y2-xy)-y(x2+x3y)]÷3x2y.-数学

题目详情

计算:[x(x2y2-xy)-y(x2+x3y)]÷3x2y.
题型:解答题难度:中档来源:不详

答案

[x(x2y2-xy)-y(x2+x3y)]÷3x2y,
=(x3y2-x2y-x2y-x3y2)÷3x2y,
=-2x2y÷3x2y,
=-class="stub"2
3

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