| 1) | -703 − 443 = | 2) | 939 + 188 = | 3) | -319 − 731 = |
| 4) | -189 − 771 = | 5) | 241 + 772 = | 6) | 773 + 181 = |
| 1) | -703 − 443 = -1146 | 2) | 939 + 188 = 1127 | 3) | -319 − 731 = -1050 |
| 4) | -189 − 771 = -960 | 5) | 241 + 772 = 1013 | 6) | 773 + 181 = 954 |