Question

3) Calcule os itens abaixo:
a) 12 – (– 7 ) – 1 = b) – 35 – (– 6) – 32 = c) – 22 – (– 5) – (– 8 ) =
d) (+6) . (+3) = e) (–12) . (–2 ) = f) (–7) . (– 8 ) . ( –6 ) =

Answer 1

Resposta:

Oi

Explicação passo-a-passo:

a) 12 – (– 7 ) – 1 =

12 + 7 –1 =

12 + 6=

18

b) – 35 – (– 6) – 32 =

–35 + 6 – 32 =

–67 +6 =

–61

c) – 22 – (– 5) – (– 8 ) =

–22 +5 +8 =

–22 + 13=

–9

d) (+6) . (+3) =

+18

e) (–12) . (–2 ) =

+24

f) (–7) . (– 8 ) . ( –6 ) =

+56 . (-6)=

–336