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