(2x^2y)^3+8(x^2)^2乘(-x)^2乘(-y)^3

问题描述:

(2x^2y)^3+8(x^2)^2乘(-x)^2乘(-y)^3

(2x^2y)^3+8(x^2)^2乘(-x)^2乘(-y)^3
=8x^6y³-8x^6y³
=0