а) (2/3)-² = (3/2)² = 9/4
б) (1/2)-³ = (2/1)³ = 8
c) (4/5)-² = (5/4)² = 25/16
d) (–1 4/5)-³ = (-9/5)³ = -729/125
а) (2/3)-² = (3/2)² = 9/4
б) (1/2)-³ = (2/1)³ = 8
c) (4/5)-² = (5/4)² = 25/16
d) (–1 4/5)-³ = (-9/5)³ = -729/125