| 1) | 33 + 822 = | 2) | 827 − 727 = | 3) | -563 + 824 = |
| 4) | -858 − 881 = | 5) | 966 + 282 = | 6) | -860 + 959 = |
| 1) | 33 + 822 = 855 | 2) | 827 − 727 = 100 | 3) | -563 + 824 = 261 |
| 4) | -858 − 881 = -1739 | 5) | 966 + 282 = 1248 | 6) | -860 + 959 = 99 |