计算:(-2x^2y^2)^2/(-x^3y)
问题描述:
计算:(-2x^2y^2)^2/(-x^3y)
答
(-2x^2y^2)^2/(-x^3y)
4x^4y^4/(-x^3y)
=-4x^(4-3)y^(4-1)
=-4xy^3