Question

(+5) – (–8) = b) (– 6) – ( +5) = c) (–12) – (– 8) + (– 3) = d) (–7) – (–4).(+2) =

Answer 1

Respostas passo-a-passo:

a) (+5) – (–8) = (+5) + 8 = 13

b) (– 6) – ( +5) = -6 -5 = -11

c) (–12) – (– 8) + (– 3) = -12 +8 -3 = -7

d) (–7) – (–4).(+2) = -7 - (-8) = -7 +8 = 1