| 1) | -737 − 734 = | 2) | 962 + 402 = | 3) | 805 + 714 = |
| 4) | -528 + 234 = | 5) | 998 + 544 = | 6) | 274 + 739 = |
| 1) | -737 − 734 = -1471 | 2) | 962 + 402 = 1364 | 3) | 805 + 714 = 1519 |
| 4) | -528 + 234 = -294 | 5) | 998 + 544 = 1542 | 6) | 274 + 739 = 1013 |