Zadanie 1
Oblicz
a.1/2x4²:8
b.(1/2)²:8x4
c.8:4x(1/2)²
d.(8:4)²x1/2

Odpowiedź:
1/2 * 4² : 8 = 1/2 * 16 : 8 = 8 : 8 = 1
(1/2)² : 8 * 4 = 1/4 * 1/8 * 4 = 8/32 * 4 = 8/8 = 1
8 : 4 * (1/2)² = 8 : 4 * 1/4 = 2 * 1/4 = 1/2
(8 : 4)² * 1/2 = 4 * 1/2 = 2