Question

Calcule:

a) (+15) + (+9)
b) (–13) + (+31)
c) (–13) + (–15)
d) (+29) + (–41)
e) (–36) + (+17)
f) (+31) + (–19)
g) +5 + 5
h) +2 – 16

Answer 1

Resposta:

A 24

B 9

C -2

D -24

E -19

F 12

G 10

H -8

Explicação passo-a-passo: