Выполняем вычисления:
| \( 18 - 2 = 16 \) | \( 17 - 4 = 13 \) | \( 13 + 6 = 19 \) | \( 16 - 5 = 11 \) | \( 11 + 3 = 14 \) |
| \( 14 + 2 = 16 \) | \( 19 - 4 = 15 \) | \( 16 - 4 = 12 \) | \( 18 - 7 = 11 \) | \( 18 - 6 = 12 \) |
| \( 15 + 4 = 19 \) | \( 13 - 2 = 11 \) | \( 13 - 2 = 11 \) | \( 18 + 1 = 19 \) | \( 16 - 5 = 11 \) |
| \( 11 + 4 = 15 \) | \( 17 - 1 = 16 \) | \( 12 + 7 = 19 \) | \( 11 + 2 = 13 \) | \( 14 + 2 = 16 \) |
| \( 13 + 5 = 18 \) | \( 18 + 1 = 19 \) | \( 14 + 4 = 18 \) | \( 15 + 3 = 18 \) | \( 11 + 4 = 15 \) |
| \( 12 - 1 = 11 \) | \( 15 - 4 = 11 \) | \( 18 + 1 = 19 \) | \( 17 + 2 = 19 \) | \( 13 + 5 = 18 \) |
| \( 14 - 2 = 12 \) | \( 11 + 6 = 17 \) | \( 15 + 2 = 17 \) | \( 13 - 2 = 11 \) | \( 16 - 4 = 12 \) |
| \( 18 - 4 = 14 \) | \( 17 - 3 = 14 \) | \( 13 + 2 = 15 \) | \( 16 - 3 = 13 \) | \( 11 + 3 = 14 \) |