| 828197-(574186+574011)=-320000 | 168430-(770912+237431)=-839913 |
| 980077-(676565-576488)=880000 | -250439-(280307-115356)=-415390 |
| 248500-(578750-552975)=222725 | -591844-(337973-229817)=-700000 |
| 281407-(-474055+155462)=600000 | -620000-(-719648-607900)=707548 |
| -206165-(0-586165)=380000 | 10236+(-458322+748086)=300000 |
| 0-(486306-776306)=290000 | 480000+(-800842+810842)=490000 |
| 400000-(-171688-12767)=584455 | -285485+(519189-800000)=-566296 |
| 735800+(421510-480000)=677310 | -449892+(-364531+213139)=-601284 |
| -718137+(-158725-55000)=-931862 | -836000-(-550000-896640)=610640 |
| -612101-(153870-155529)=-610442 | 975947+(482530-875671)=582806 |
| 328222+(-806+107332)=434748 | -594216+(323136+274080)=3000 |
| 82291+(-443303+174827)=-186185 | -8000+(-431411-489869)=-929280 |