| 1) | 850 + 376 = | 2) | -844 + 416 = | 3) | -981 − 392 = |
| 4) | -303 + 22 = | 5) | -968 + 210 = | 6) | -524 + 484 = |
| 1) | 850 + 376 = 1226 | 2) | -844 + 416 = -428 | 3) | -981 − 392 = -1373 |
| 4) | -303 + 22 = -281 | 5) | -968 + 210 = -758 | 6) | -524 + 484 = -40 |