| 451900-(617926-382182)=216156 | 773338-(278521+413455)=81362 |
| 40243+(287989+660246)=988478 | 146472+(149245+104283)=400000 |
| 260000-(760023-717084)=217061 | 917162+(915760-872922)=960000 |
| 200400+(823168-252991)=770577 | 366900-(694903-613705)=285702 |
| 847048-(878823-297083)=265308 | 444957+(85679+43806)=574442 |
| 841293-(663718+100000)=77575 | 830492-(531879-370233)=668846 |
| 781672-(412110-172263)=541825 | 29854+(837000-764460)=102394 |
| 418193+(358328-130434)=646087 | 760956-(370648+190308)=200000 |
| 4749+(145570+471681)=622000 | 783999-(123629+266776)=393594 |
| 362082-(120567+210000)=31515 | 830167+(118225+5600)=953992 |
| 968355-(110713+770500)=87142 | 600000+(790000-399538)=990462 |
| 618479+(98707+235300)=952486 | 605367+(666000-580000)=691367 |
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