几道数学题,化简.3a^b-[2ab-2(a^2b+2ab^2)]x(-6x-9)-x(-8x-15)+2X(3-X)7X^3Y^2/[(-7X^5Y^3)/(-1/3X^3Y^2)]

分类: 作业答案 • 2021-12-19 15:01:30

问题描述：

几道数学题,化简.
3a^b-[2ab-2(a^2b+2ab^2)]
x(-6x-9)-x(-8x-15)+2X(3-X)
7X^3Y^2/[(-7X^5Y^3)/(-1/3X^3Y^2)]

答