-(3mn^2)^2·(-n^5)^3

问题描述:

-(3mn^2)^2·(-n^5)^3
(5/4)^100*(4/5)101

1.(3mn^2)^2·(-n^5)^3= -9m^2n^4*(-n^15)=9m^2n^192.(5/4)^100*(4/5)101=(5/4)^100*(4/5)100*(4/5)=[(5/4)^100*(4/5)100]*(4/5)=[(5/4)*(4/5)]^100*(4/5)=1^100*(4/5)=4/5