Вправи 501 - 600 » 581

Обчисли: 1) 29 – 17 + 2 = 12 + 2 = 14 2) 18 + 14 : 2 = 18 + 7 = 25 3) 37 – 2 • 5 = 37 – 10 = 27 4) 4 • (12 – 5) = 4 • 7 = 28 5) 16 • 1 + 17 • 0 = 16 6) (12 + 8) : (5 – 3) = 20 : 2 = 10