Question

1. Resolva:
A) (+3) + (– 2) + (– 5) = +3 – 2 – 5 = +3 – 7 = − 4
B) (– 2) – (+1) – (− 5) = − 2 – 1 + 5 = − 3 + 5 = + 2
C) (+4) + (– 2) – (+3) =
D) (+5) – (– 3) – (– 1) =
E) (+4) + (– 6) – (+7) – (– 6) + (+7) =
F) (– 3 ) – (– 5 ) + (– 6) + (+8) – (– 4) =
G) + (– 3 + 8) – (– 3 + 8) + (5 – 6) =
H) −(−3 − 1) − (−6 + 4 − 1) − 6 − (−3 + 2) =
I) 18 − (−5 − 2 − 3) + 20 − (−6 + 8) − (−1 − 8 + 3) =
J) −32 − 1 − (−12 + 14 + 7) + (−5 − 6 − 9 + 3 ) − 17 =

Answer 1

Resposta:c)4-2-3=-1

D)

Explicação passo-a-passo: