Question

Preciso de ajuda!!!
Elimine os parênteses e calcule:
a) + 5 + (7 – 3)= f) 4 + (– 5 + 0 + 8 – 4)
b) 8 – (– 2 – 1)= g) 4 + (3 – 5) + (– 2 – 6)
c) – 6 – (– 3 + 2)= h) 8 – (3 + 5 – 20) + (3 – 10)

Answer 1

Resposta:

a)+5+4=+9

b)8-3=5

c)-6-1=-7

f)+4-1=+1