Номер 1093

1) 4 – 5 = –1;

2) –4 – 7 = –11;

3) 12 – (–8) = 12 + 8 = 20;

4) –17 – (–18) = –17 + 18 = 1;

5) 0 – (–15) = 0 + 15 = 15;

6) –3 – (–2) = – 3 + 2 = –1;

7) 0 – 5 = –5;

8) –4 – (–4) = –4 + 4 = 0.