| 581204+(859969-474000)=967173 | 165186+(802900-378086)=590000 |
| 700837-(863932-319111)=156016 | 789180-(210976+327192)=251012 |
| 871885-(294949+176936)=400000 | 42385+(324808+336227)=703420 |
| 9143+(844461+6396)=860000 | 342524+(643889-632586)=353827 |
| 780000-(577781-300000)=502219 | 331780+(480180+7389)=819349 |
| 921071-(653593-244984)=512462 | 985184-(444527+297761)=242896 |
| 800000-(333083-126536)=593453 | 194061-(583601-512470)=122930 |
| 491026-(81143+398390)=11493 | 279320-(102600+170720)=6000 |
| 41393+(196611-18004)=220000 | 957543+(300000-287543)=970000 |
| 310000+(35633+532569)=878202 | 310000+(191949+259802)=761751 |
| 851911-(25813+246098)=580000 | 556580+(378266+43623)=978469 |
| 306774+(706105-512879)=500000 | 97114-(941325-890000)=45789 |
