Question

1) Calcule o valor da expressões:
a) 7 – 4 = b) – 3 – 9 = c) 4 . (–9) = d) –8 – 3 . (–2) =

e) 5 – 9 – 6 = f) – 12 + 5 = g) 56 ÷ (– 8) = h) (– 6) – (–7) =
i) – 5 + 12 – 4 = j) (– 42) ÷ (–7) =

Answer 1

Resposta:

a)3

b)-12

c)-36

d)22

e)-10

f)-7

g)-7

h)1

i)3

j)6