| 1) | 92 − 328 = | 2) | 317 + 385 = | 3) | 346 − 327 = |
| 4) | -577 + 344 = | 5) | -792 − 434 = | 6) | -237 + 723 = |
| 1) | 92 − 328 = -236 | 2) | 317 + 385 = 702 | 3) | 346 − 327 = 19 |
| 4) | -577 + 344 = -233 | 5) | -792 − 434 = -1226 | 6) | -237 + 723 = 486 |