Реши примеры.

### Решение примеров (1 этап) 1. $13 - 5 + 11 - 3 - 12 = 4$ 2. $7 + 6 + 5 - 14 + 7 = 11$ 3. $12 - 7 + 14 - 2 - 14 = 3$ 4. $12 - 3 - 5 - 2 + 10 = 12$ 5. $4 + 11 + 4 - 12 + 13 = 20$ 6. $10 - 5 - 2 + 12 - 8 = 7$ 7. $12 - 5 + 10 - 12 - 2 = 3$ 8. $2 + 18 - 5 - 3 + 6 = 18$ 9. $16 - 7 + 5 - 13 = 1$ 10. $14 + 5 - 2 - 8 + 5 = 14$ 11. $15 - 11 - 2 + 11 - 8 = 5$ 12. $7 + 2 + 6 - 12 + 7 = 10$ 13. $8 + 8 - 10 - 6 + 12 = 12$ 14. $10 - 6 + 14 - 13 + 2 = 7$ 15. $14 - 12 + 18 - 20 + 9 = 9$ 16. $17 + 3 - 10 - 4 + 13 = 19$ 17. $2 + 14 + 4 - 2 - 11 = 7$ 18. $12 - 3 - 5 + 7 + 6 = 17$ 19. $5 - 3 + 15 - 17 + 2 = 2$ 20. $13 - 5 - 16 + 14 - 13 = -7$ ### Решение примеров на время 1. $20 - 13 + 8 - 13 + 3 = 5$ 2. $14 + 4 - 9 + 12 - 2 = 19$ 3. $12 - 4 + 10 - 13 + 3 = 8$ 4. $7 + 7 + 16 - 8 - 2 = 20$ 5. $12 + 5 - 1 - 14 + 4 = 6$ 6. $18 - 2 - 2 - 12 + 13 = 15$ 7. $2 + 14 - 11 - 3 + 11 = 13$ 8. $17 - 15 + 2 - 4 + 20 = 20$ 9. $20 - 17 + 13 - 6 + 5 = 15$ 10. $12 + 7 - 14 + 4 + 11 = 20$ 11. $9 + 5 - 2 - 12 + 11 = 11$ 12. $13 - 13 + 6 - 2 + 16 = 20$ 13. $13 + 7 - 12 + 6 + 5 = 19$ 14. $19 - 14 + 3 + 2 + 7 = 17$ 15. $20 - 16 - 3 + 3 + 8 = 12$ 16. $20 - 4 - 14 - 2 + 15 = 15$ 17. $11 + 3 - 7 + 3 + 2 = 12$ 18. $12 - 4 + 4 - 3 + 10 = 19$ 19. $13 - 10 + 16 - 12 + 9 = 16$ 20. $7 + 6 - 12 + 14 + 2 = 17$