您好：
[x(x^2y^2-xy)-y(x^2-x^3y)]/(2x^2y)
=（x^3y^2-x^2y-x^2y+x^3y^2）/(2x^2y)
=(2x^3y^2-2x^2y)/(2x^2y)
=xy-1
如果本题有什么不明白可以追问,如果满意记得采纳
如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解,谢谢.
祝学习进步!
[x(x^2y^2-xy)-y(x^2-x^3y)]/(2x^2y)
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