Zadanie 2. Oblicz.
a) (1¼-⅔)²
b) -2 x5²
c) -4²/√25-9
d) (√121-7½)³


Zadanie 2 Oblicz A 1 B 2 X5 C 4259 D 1217 class=

Odpowiedź :

a) (15/12 - 8/12)² = (7/12)² = 49/144

b) -2 ∙ 25 = -50

c) -16/√16 = -16/4 = -4

d) (11 - 7½)³ = (3½)³ = (7/2)³ = 343/8 = 42⅞