Question

Calcule as adições e as subtrações dos números inteiros:

a) (+ 50) + (– 100) + (– 500) + (– 300) =



b) – (– 110) – (– 2) – (+ 4) – (– 1) =



c) (– 12) – (+ 15) – (– 18) + (– 25) =



d) (+ 30) – (– 20) + (– 90) + (– 50) =





e) 20 + (– 7) + (+ 2) – (+ 4) – (– 1) + (– 5) =



f) 15 – (– 2) + (– 3) – (– 3) – (– 8) + (– 5) + (– 2) =



g) 50 + (+ 10) – (– 15) + (– 15) – (– 10) – (– 15) – (– 10) =​

Answer 1

Resposta:

a= -850

b=9

c= -34

d= -90

e= 7

f= 18

g= 95

Explicação passo a passo:

confia