化简:[x(x2y2-xy)-y(x2-x3y)]÷3x2y.-数学

题目简介

化简:[x(x2y2-xy)-y(x2-x3y)]÷3x2y.-数学

题目详情

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

答案

原式=(x3y2-x2y-x2y+x3y2)÷3x2y
=(2x3y2-2x2y)÷3x2y
=class="stub"2
3
xy-class="stub"2
3

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