Question

срочно !!!¡!!!!!!!!!.!!!!!!!!

Answer 1

(xy)2=x2y2
(5y)2=52y2=25 y2
(-m)2=-m2
(3bc)2=32 b2 c2=9 b2 c2
(-2mn)=
(a3)2=(a3)2
(3m3)3=33 (m3)3