Решение:
- 14 × 60 = 840
- 29 × 30 = 870
- 240 + 22 × 30 = 240 + 660 = 900
- 900 - 18 × 50 = 900 - 900 = 0
- 1000 - (23 × 40 - 570 : 3) = 1000 - (920 - 190) = 1000 - 730 = 270
- (850 - 12 × 70) × 10 : 25 = (850 - 840) × 10 : 25 = 10 × 10 : 25 = 100 : 25 = 4
Ответ: 840, 870, 900, 0, 270, 4