| 371474+(46498+542028)=960000 | 616582-(966870-774053)=423765 |
| 613228-(329000+114228)=170000 | 680000-(368928+228695)=82377 |
| 250000-(21223+161717)=67060 | 7400+(328332-49863)=285869 |
| 208124+(754030-440703)=521451 | 807079-(766436-309357)=350000 |
| 830167+(118225+5600)=953992 | 930000-(427070-93892)=596822 |
| 720000-(585525+122488)=11987 | 23038+(900000-123038)=800000 |
| 190000+(141366+550100)=881466 | 25577+(274006+500417)=800000 |
| 18290+(657267-525557)=150000 | 890789-(930000-800000)=760789 |
| 109898+(64497+125605)=300000 | 900000-(198288+525107)=176605 |
| 300000-(106735-97515)=290780 | 29228+(129982-13127)=146083 |
| 98637+(821174-249811)=670000 | 271280-(688534-537254)=120000 |
| 895179-(14000+870000)=11179 | 277714+(72818+514959)=865491 |
