Question

Copie em seu caderno e responda: a) (– 4) + (+ 5) = b) (+ 13) + (– 13) = c) (– 7) – (+ 3) = d) (–14) – (– 18 ) = e) – 30 – (– 10) = f) (– 2) + (– 3) =

Answer 1

Resposta:

a) (– 4) + (+ 5) = 1

b) (+ 13) + (– 13) = 0

c) (– 7) – (+ 3) = -10

d) (–14) – (– 18 ) = 4

e) – 30 – (– 10) = -20

f) (– 2) + (– 3) = -5