| 1) | 479 + 837 = | 2) | 188 − 644 = | 3) | 592 + 972 = |
| 4) | 561 + 332 = | 5) | -782 + 258 = | 6) | 762 + 986 = |
| 1) | 479 + 837 = 1316 | 2) | 188 − 644 = -456 | 3) | 592 + 972 = 1564 |
| 4) | 561 + 332 = 893 | 5) | -782 + 258 = -524 | 6) | 762 + 986 = 1748 |