Odpowiedź:
2.
a) (1 2/3)³ = ( 5/3)³ = 125/9 = 13 8/9
b) (2 1/5)² = ( 11/5)² = 121/25 = 4 21/25
c) ( - 1 3/4)² = ( - 7/4)² = 49/16 = 3 1/16
d) (- 2 1/2)³ = ( - 5/2)³ = - 5³/2³ = - 125/8 = - 15 5/8
