Question

9. Вычислите. 1h 30 min + 3h 45 min 6h 45 min + 1h 25 min 1h 36 min + 2h 54 min 7h 10min - 4h 50 min 7h-5h 43 min 8h 40 min - 55 min​

Answer 1

Пошаговое объяснение:

1) 1h 30 min + 3h 45 min = 5h 15 min

2) 6h 45 min + 1h 25 min = 8h 10 min

3) 1h 36 min + 2h 54 min = 4h 30 min

4) 7h 10min - 4h 50 min = 2h 20 min

5) 7h-5h 43 min = 1h 17 min

6) 8h 40 min - 55 min = 7h 45 min