计算﹣﹙a^2b﹚^3﹢2a^2b×﹙﹣3a^2b﹚^2的结果是
问题描述:
计算﹣﹙a^2b﹚^3﹢2a^2b×﹙﹣3a^2b﹚^2的结果是
答
﹣﹙a^2b﹚^3+2a^2b×﹙﹣3a^2b﹚^2
=﹣a^6b^3+2a^2b×9a^4b^2
=﹣a^6b^3+18a^6b^3
=17a^6b^3