(-2ab^2)^33(a^2b)^2+4a^3b^218a^4b^6

分类: 作业答案 • 2021-12-28 18:42:19

问题描述：

(-2ab^2)^3*3(a^2b)^2+4a^3b^2*18a^4b^6

答

(-2ab^2)^3*3(a^2b)^2+4a^3b^2*18a^4b^6
=(-8a^3b^6)*3(a^4b^2)+72a^7b^8
=-24a^7b^8+72a^7b^8
=48a^7b^8.

(-2ab^2)^3*3(a^2b)^2+4a^3b^2*18a^4b^6