| 1) | 126 + 327 = | 2) | -996 + 651 = | 3) | 855 + 855 = |
| 4) | 812 − 689 = | 5) | 118 + 953 = | 6) | -611 + 414 = |
| 1) | 126 + 327 = 453 | 2) | -996 + 651 = -345 | 3) | 855 + 855 = 1710 |
| 4) | 812 − 689 = 123 | 5) | 118 + 953 = 1071 | 6) | -611 + 414 = -197 |