Частина 2 — Вправи: 936

936. Обчисліть значення виразу:

1) 215 + (–310) = 4 - 930 = –16;

2) –23 + 1315 = -10 + 1315 = 15;

3) –459 + (–716) = –41018 + (–7318) = –111318;

4) –578 + (–6310) = –53540 + (–61240) = –114740 = –12740;

5) –13 + 7316 = –121616 + 7316 = –51316;

6) –238 + (–159) = –22772 + (–14072) = –36772;

7) –2920 + 5730 = –22760 + 47460 = 24760;

8) –514 + 138 = –4108 + 138 = –378;

9) 437 + (–8914) = 4614 + (–8914) = –4314.