Реши задание 5.

1. 600 + 8 + 30 = 638 2. 496 - 90 - 6 = 400 3. 300 + 40 + 7 = 347 4. 801 + 10 - 1 = 810 5. 573 - 70 - 3 = 500 6. 536 - 6 - 30 = 500 7. 700 + 7 + 20 = 727 8. 429 - 20 - 9 = 400 9. 908 + 90 - 8 = 990 10. 674 - 70 - 4 = 600