Question

a) (+3) + (+5) =
b) (–13) + (–5) =
c) (+12) + (–20) =
d) (2) + (+3) + (+5) =
e) (–3) + (–5) – (–10) =
f) (–7) + (–1) + (–2) =
g) (–6) – (+3) =
h) (–12) – (+4) =
i) (–25) + (–3) =
j) (–7) – (–10) =
k) (+18) – (+13) =
l) (–20) – (–30) =
m) (–100) – (+30) =
n) (–1) – (–1) =
o) 4 – (–5) + (–2) – (–6) =

Answer 1

Resposta:

a) 8

b) -18

c) -8

d) 10

e) 2

f) -10

g) -9

h) -16

i) -28

j) 3

k) 5

l) 10

m) -130

n) 0

o) 13