(-5xy)2次方*(-xy)三次方+(4x2次方y-3x)*(-3x三次方y四次方)+x的五次方有的五次方 我着急

2024-12-21 13:10:48
推荐回答(1个)
回答1:

(-5xy)^2*(-xy)^3+4x^2y*(-3x^3y^4)+x^5y^5
=25x^2y^2*(-x^3y^3)-12x^2y*x^3y^4+x^5y^5
=-25x^5y^5-12x^5y^5+x^5y^5
=-36x^5y^5