ЧАСТИНА 2 - Вправи 1 - 100 » 34-35

34. Обчисліть. а. –4 + 3 – 5 • 2 = –1 – 10 = –11; б. 9 – 15 : 3 + (–6) = 9 – 5 – 6 = –2; в. 15 • (–2) – 21 : 3 = –30 – 7 = –37; г. 5 + 8 • (–10) : 4 = 5 + (–80) : 4 = 5 – 20 = –15. 35. Обчисліть. а. 3 + (5 – 6) • 2 = 3 + (–1) • 2 = 3 – 2 = 1; б. (7 – 10) : 3 + 8 = –3 : 3 + 8 = –1 + 8 = 7; в. –15 • (9 – 8) : 5 = –15 • 1 = –15; г. (3 + 7) • 3 : (–3) = 10 • 3 : (–3) = 30 : (–3) = –10.