Question

1) Eliminando os parênteses, colchetes e as chaves, determine o valor de:
a) – 10 + (6 – 4) =
b) 6 + (– 9 + 1) =
c) – 5 + (2 – 4) – (7 – 1) =
d) (– 5 + 3) – (5 – 9) + (8 – 1) – 11 =
e) 30 + [– 16 – (– 7 + 10)] =
f) – 10 – [11 + (– 10 – 6) + 1] =
g) 2 – {– 11 + [17 – (– 12 + 10) – 3] } =

Answer 1

Resposta

Explicação passo-a-passo: