(-4XY^2) (4分之3X^2Y-2分之1XY^2-6分之5Y^3)
问题描述:
(-4XY^2) (4分之3X^2Y-2分之1XY^2-6分之5Y^3)
答
解
(-4xy²)(3/4x²y-1/2xy²-5/6y³)
=-3x³y³+2x²y^4+10/3xy^5