Question

2) Calcule:
a) (4)2= 5
b) 7−2 = e) 102 ÷ (4 − 2) =
c) (6)−1=

d) (−4). (−2) + 23 =
f) (7 − 3)2. 23 =
3

Answer 1

Resposta:

b= 5

c= -6

d= 31

f= 51

e= 51

bom estudossss