| 1) | 65 − 432 = | 2) | 976 + 216 = | 3) | 575 − 544 = |
| 4) | -89 − 679 = | 5) | -147 + 50 = | 6) | 151 − 626 = |
| 1) | 65 − 432 = -367 | 2) | 976 + 216 = 1192 | 3) | 575 − 544 = 31 |
| 4) | -89 − 679 = -768 | 5) | -147 + 50 = -97 | 6) | 151 − 626 = -475 |