Question

1-calcule as seguintes somas
a)(+15)+(-14)
b)(-18)+(-12)
c)(+30)+(-45)
d)(-13)+(+26)
e)(+27)+(-60)
f)(+21)+(+50)

Answer 1

Explicação passo-a-passo:

a) 1

b) -30

c) -15

d) 13

e) -33

f) 71