计算：(-xy^2)^2·x^2y/(x^3y^4)
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计算：(-xy^2)^2·x^2y/(x^3y^4)计算：(-xy^2)^2·x^2y/(x^3y^4)计算：(-xy^2)^2·x^2y/(x^3y^4)(-xy^2)^2·x^2y/(x^3y^4
计算：(-xy^2)^2·x^2y/(x^3y^4)
计算：(-xy^2)^2·x^2y/(x^3y^4)
计算：(-xy^2)^2·x^2y/(x^3y^4)
(-xy^2)^2·x^2y/(x^3y^4)
=x^2y^4*x^2y/(x^3y^4)
=x^4y^5/(x^3y^4)
=x^(4-3)y^(5-4)
=xy