Question

5. Calcula:
a) (+2) – (+5) = f) (–2) – (–5) =
b) (–5) + (–3) = g) (–4) + (–2) =
c) (–6) + (–2) = h) (+2) – (–9) =
d) (–1) – (+4) = i) (–5) – (+2) =
e) (+5) + (–5) = j) (–5) + (–2) =

Answer 1

a) -3
b) -8
c) -8
d) -5
e) 0
f) 3
g) -6
h) 11
i) -7
j) -7