| 1) | -849 − 120 = | 2) | 75 + 342 = | 3) | 84 − 872 = |
| 4) | 732 − 328 = | 5) | 288 + 448 = | 6) | -793 + 837 = |
| 1) | -849 − 120 = -969 | 2) | 75 + 342 = 417 | 3) | 84 − 872 = -788 |
| 4) | 732 − 328 = 404 | 5) | 288 + 448 = 736 | 6) | -793 + 837 = 44 |