计算:(-2x)^6-(-3x)^2-[-(2x^2)]^3
问题描述:
计算:(-2x)^6-(-3x)^2-[-(2x^2)]^3
答
(-2x)^6-(-3x)^2-[-(2x^2)]^3
=(-2)^6*x^6-(-3)^2*x^2-(-2^3x^6)
=64x^6-9x^2+8x^6
=72x^6-9x^2