(-5x^5)^2+(-3x^3)^3*x化简

问题描述:

(-5x^5)^2+(-3x^3)^3*x化简

(-5x^5)^2+(-3x^3)^3*x
=25x^10-27x^9*x
=25x^10-27x^10
=- 2x^10
如追加其它问题,