| Выражение | Значение |
| 8 × 8 - 7 × 7 + 5 | \( 8\times 8 - 7\times 7 + 5 = 64 - 49 + 5 = 15 + 5 = 20 \) |
| 73 - 8 × 9 | \( 73 - 8\times 9 = 73 - 72 = 1 \) |
| 50 - 4 × 7 | \( 50 - 4\times 7 = 50 - 28 = 22 \) |
| (17 + 46) : 9 | \( (17+46):9 = 63:9 = 7 \) |
| 81 - 8 × 3 + 4 | \( 81 - 8\times 3 + 4 = 81 - 24 + 4 = 57 + 4 = 61 \) |
| 93 - 4 × 8 | \( 93 - 4\times 8 = 93 - 32 = 61 \) |