| 817351-(-99356+414900)=501807 | 302244+(372182-852398)=-177972 |
| -190230-(494051+315719)=-1000000 | 320000-(156167+623833)=-460000 |
| 834837-(-391272+918839)=307270 | -876163-(-644914-729085)=497836 |
| 586146-(175933-249787)=660000 | 604519-(865000-493749)=233268 |
| -93300+(-30299-690000)=-813599 | -699293-(-856390+364915)=-207818 |
| 308700+(-585525-601975)=-878800 | 607397+(-342398+196979)=461978 |
| 830000+(19201-325300)=523901 | 55483+(-998955+158620)=-784852 |
| 108546-(-76673-650000)=835219 | -456484-(-407468-149016)=100000 |
| -272000+(-379842-290958)=-942800 | -240000+(36977-697209)=-900232 |
| 319309+(-914693-24194)=-619578 | -267142-(448188+110000)=-825330 |
| 462344-(620650+421694)=-580000 | 137625-(-114754-30371)=282750 |
| -420000+(-510000+750000)=-180000 | -206165-(0-586165)=380000 |