[(2/3)totul la puterea a 5a]:(2/3)totul la puterea a 17a

Răspuns :

(2/3)^5 : (2/3)^17 =

= (2/3)^5-17 =

= (2/3)^-12 =

= 1/(2/3)^12 =

= (3/2)^12