a) –2 + (–7) + 1

b) –4 + 5 + 2

c) –7 + (–3) + (–6)

d) 9 + (–7) + (–3)

e) –2 + (–8) + (–5)

f) 6 + (–9) + (–1)

g) –2 + 7 + (–5)

h) –10 + (–3) + 6

i) –5 + 4 + (–1)

j) –8 + (–3) + (–5)

k) –7 + 7 + (–7)

l) 2 + (–9) + 1 + (–2)

daje naj pls na szybko