| 1) | 739 + 711 = | 2) | 848 − 486 = | 3) | 948 + 932 = |
| 4) | -284 − 791 = | 5) | -694 + 524 = | 6) | 454 − 3 = |
| 1) | 739 + 711 = 1450 | 2) | 848 − 486 = 362 | 3) | 948 + 932 = 1880 |
| 4) | -284 − 791 = -1075 | 5) | -694 + 524 = -170 | 6) | 454 − 3 = 451 |