Вычислите: –7–5+14–20 18:(–2)–7 –5+18+16–22 –27*(13–15)

Question

Вычислите:
–7–5+14–20
18:(–2)–7
–5+18+16–22
–27*(13–15)

Answer 1

1)=-18
2)=-16
3)=7
4)=54