| 410000+(830781-564719)=676062 | 720728-(620830+72772)=27126 |
| 910000-(995913-100000)=14087 | 9618+(8717+301665)=320000 |
| 151210+(640876+78424)=870510 | 970263-(444689-53371)=578945 |
| 418230+(443100-361330)=500000 | 659643-(85595+251000)=323048 |
| 238405+(416276+322907)=977588 | 975200-(6889+768311)=200000 |
| 300000+(575155+22845)=898000 | 846093+(143533-9091)=980535 |
| 700837-(863932-319111)=156016 | 755608-(987234-421626)=190000 |
| 550621+(423275-328590)=645306 | 737151+(584114-448482)=872783 |
| 271712-(573723-517108)=215097 | 737035-(693162-465496)=509369 |
| 722993-(30597+638900)=53496 | 480000+(105617+119548)=705165 |
| 965954-(461330+250000)=254624 | 67529+(717126+32513)=817168 |
| 144877+(740000-603418)=281459 | 374780-(70000+304780)=0 |
