Частина 2 — Вправи: 1245

1245. Обчисліть:

1) 4,25 – 9,05 – 15 = 4,25 – 9,05 – 0,2 = –5;

2) 524 – 16 – 14 = 524 – 424 – 624 = –524;

3) 2503 – (–831) – (–1169) = 2503 + 831 + 1169 = 4503;

4) –72,62 – (–51,15) – (–56,47) = –72,62 + 51,15 + 56,47 = 35;

5) –743 – (–395) – (–1043) = –743 + 395 + 1043 = 695;

6) 405,2 – (–2,91) – (–6,7) = 405,2 + 2,91 + 6,7 = 414,81.