几道计算题：(1) [-2(a-b)^3]^5 (2) [-3(n-m)^2]^3 (3)(x+y)^3(2x(3)(x+y)^3_数学解答

几道计算题：(1) [-2(a-b)^3]^5 (2) [-3(n-m)^2]^3 (3)(x+y)^3(2x
(3)(x+y)^3(2x+2y)^2(3x+3y)^2 (4) [(a+b)^2]^3*[(a+b)^3]^4

人气：417 ℃　时间：2020-05-26 06:43:11

解答

(1) [-2(a-b)^3]^5
=-32(a-b)^15
(2) [-3(n-m)^2]^3
=-27(n-m)^6
(3)(x+y)^3(2x+2y)^2(3x+3y)^2
=36(x+y)^7
(4) [(a+b)^2]^3*[(a+b)^3]^4
=(a+b)^6*(a+b)^12
=(a+b)^18