calculeaza: (2^2)^3:(2^3)2;
[(2^3)^5]^4:[(2^3)^5]^4

2017^2017:2017^2016

(33×17)^2:23^3

(2^3×3^3)^4:(2^4×3^5)^2

scrie ca produs de puteri
(13×15)^7