| -631439+450801-196462=-377100 | 404209-524083-20806=-140680 |
| 554200-828107-91429=-365336 | 649945-211191-333468=105286 |
| -257702+218537+670165=631000 | -991820-160000+231820=-920000 |
| 58506+431712-440000=50218 | -33455-418831-48577=-500863 |
| -478413+819057-106807=233837 | 585076-310000+348238=623314 |
| 575500-489760-585740=-500000 | 585739-550000-639234=-603495 |
| 396025-227287+628394=797132 | -92095-311137-516900=-920132 |
| -28127+495490+300000=767363 | 291733-200000+163683=255416 |
| -263028-961651+455898=-768781 | 288839+369888-928727=-270000 |
| -559520+321011-661491=-900000 | 227939+292963-850991=-330089 |
| -770000-299544+680000=-389544 | -360000+381062+351598=372660 |
| -79539-418591+411800=-86330 | -600000+895705-20359=275346 |
