Zad 4.
a) 2 * (-3) - 5 = - 6 - 5 = -11
b) -6 - 2 * 2 = - 6 - 4 = -10
c) 2 * 3 + 3 * (-4) - 5 = 6 - 12 - 5 = -11
d) 1/4 * 8 (8 - 3) = 2 * 5 = 10
Zad 5.
8(5 - x) = 4
40 - 8x = 4
-8x = -36 /:(-8)
x = 4,5
Odp. D
