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