| 846166-(525070-198904)=520000 | 924911-(1870+177418)=745623 |
| 200000+(72999+325767)=598766 | 558318-(117328+415561)=25429 |
| 363631-(145254-131553)=349930 | 281474+(388694-190168)=480000 |
| 290579+(10801+460919)=762299 | 870332-(836101-230000)=264231 |
| 930264+(865670-820000)=975934 | 571494-(940000-483275)=114769 |
| 751036-(249662+331374)=170000 | 246893+(959584-699259)=507218 |
| 860353-(309638-49285)=600000 | 525082-(946967-903611)=481726 |
| 336980+(120000+145898)=602878 | 540000-(55518+384482)=100000 |
| 780894+(145622-45991)=880525 | 36116+(214746+179138)=430000 |
| 228783+(474177-463673)=239287 | 960000-(536904+314647)=108449 |
| 508651+(530285-304408)=734528 | 103000+(335805+117459)=556264 |
| 334007-(176255+9476)=148276 | 162881+(456119+359852)=978852 |