Răspuns:
Explicație pas cu pas:
a)
(2/3)^2 + 8/15 = 4/9 + 8/15 = 20/45 + 24/45 = 44/45
b)
(-1/2)^3*16 = -1/8 *16 = -2
c)
(-5/6)^2 *6/5 = 25/36*6/5 = 5/6
d)
(5/9 - 3/7)^0 = 1
