| 203532+(789991-503523)=490000 | 302985+(489913-132285)=660613 |
| 161668+(9292+248838)=419798 | 431853+(738372-401507)=768718 |
| 780000+(190000+30000)=1000000 | 540000-(142241+78049)=319710 |
| 872219-(770000+27000)=75219 | 44749-(959932-956828)=41645 |
| 500000-(410852-268800)=357948 | 968355-(110713+770500)=87142 |
| 106996+(312160+80844)=500000 | 890789-(930000-800000)=760789 |
| 974754-(100000+670000)=204754 | 628579+(68669-44211)=653037 |
| 287932-(95655+186336)=5941 | 120196+(37016+765158)=922370 |
| 234960+(14094+279539)=528593 | 440000+(981720-611805)=809915 |
| 317200-(367345-150145)=100000 | 360273+(760000-579809)=540464 |
| 819771-(58389+339150)=422232 | 197512-(740000-686488)=144000 |
| 757640-(284958-57960)=530642 | 182543+(130907+676550)=990000 |
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