计算:(1)(-a^2)^3*a^3+(-4a)^2*a^7-5(a^3)^3 (2)(a-2b)^3*(2b-a)^4/(a-2b)^6
问题描述:
计算:(1)(-a^2)^3*a^3+(-4a)^2*a^7-5(a^3)^3 (2)(a-2b)^3*(2b-a)^4/(a-2b)^6
答
(1)(-a^2)^3*a^3+(-4a)^2*a^7-5(a^3)^3 =-a^6*a^3+16a^2*a^7-5a^9=-a^9+16a^9-5a^9=10a^9(2)(a-2b)^3*(2b-a)^4/(a-2b)^6=(a-2b)^3*(a-2b)^4/(a-2b)^6=(a-2b)^(3+4-6)=a-2b