计算:(-2x^2y^2)^2/(-x^3y)

问题描述:

计算:(-2x^2y^2)^2/(-x^3y)

(-2x^2y^2)^2/(-x^3y)
4x^4y^4/(-x^3y)
=-4x^(4-3)y^(4-1)
=-4xy^3