Question

(x^m)^n 乘 (x^n)^m ,m^2乘(m^5)^2+m^10m^2+m乘m^3乘m^8,-[(-x)^3]^m

Answer 1

(x^m)^n 乘 (x^n)^m

=x^mn*x^mn

=x^2mn

m^2乘(m^5)^2+m^10m^2+m乘m^3乘m^8

=m^2*m^10+m^12+m^4*m^8

=m^12+m^12+m^12

=3m^12

-[(-x)^3]^m,(m为奇数）

=-[-x^3]^m

=x^3m

[(a-b)^n]^M,(m为奇数）

=(a-b)^mn