| 1) | -885 + 545 = | 2) | 432 + 495 = | 3) | -192 − 171 = |
| 4) | 859 + 677 = | 5) | 397 + 277 = | 6) | -84 − 882 = |
| 1) | -885 + 545 = -340 | 2) | 432 + 495 = 927 | 3) | -192 − 171 = -363 |
| 4) | 859 + 677 = 1536 | 5) | 397 + 277 = 674 | 6) | -84 − 882 = -966 |