| Выражение | Решение | Ответ |
| \( 52 + 27 - 48 \) | \( 52 + 27 = 79 \) \( 79 - 48 = 31 \) | 31 |
| \( 85 - 66 + 18 \) | \( 85 - 66 = 19 \) \( 19 + 18 = 37 \) | 37 |
| \( 54 + 18 - 38 \) | \( 54 + 18 = 72 \) \( 72 - 38 = 34 \) | 34 |
| \( 44 + 24 - 44 \) | \( 44 + 24 = 68 \) \( 68 - 44 = 24 \) | 24 |
| \( 2 \cdot 9 + 27 \) | \( 2 \cdot 9 = 18 \) \( 18 + 27 = 45 \) | 45 |
| \( 3 \cdot 7 \cdot 0 \) | \( 3 \cdot 7 = 21 \) \( 21 \cdot 0 = 0 \) | 0 |
| \( 18 : 2 \cdot 4 \) | \( 18 : 2 = 9 \) \( 9 \cdot 4 = 36 \) | 36 |
| \( 24 : 3 \cdot 9 \) | \( 24 : 3 = 8 \) \( 8 \cdot 9 = 72 \) | 72 |
Ответ: 31, 37, 34, 24, 45, 0, 36, 72.