a)
(2/3)⁵=2⁵/3⁵=32/243
(11/14)⁰=1
(1/9)³=1³/9³=1/729
(23/99)²=23²/99²= fa tu inmultirile!
(2si1/4)³=(9/4)³=9³/4³=729/64
b)
(5/7)³(5/7)²=(5/7)⁵
(11/9)¹⁰:(11/9)7=(11/9)³
[(2/13)³]⁶=(2/13)¹⁸
c)Nu mai scriu exercitiul
=(5/4)³=5³/4³=125/64
=21/13
=(17/4)²=fa tu calculul
=49/9
=(3/2)⁴=fa tu calculul
=64/15
