| 1) | -758 − 926 = | 2) | -3 + 729 = | 3) | 801 + 828 = |
| 4) | 546 − 479 = | 5) | -384 + 4 = | 6) | 881 − 528 = |
| 1) | -758 − 926 = -1684 | 2) | -3 + 729 = 726 | 3) | 801 + 828 = 1629 |
| 4) | 546 − 479 = 67 | 5) | -384 + 4 = -380 | 6) | 881 − 528 = 353 |