| 970644-(574320-464522)=860846 | 701925-(236396+315529)=150000 |
| 818900+(632954-611000)=840854 | 532989+(540000-292989)=780000 |
| 740763-(30788+145954)=564021 | 876408-(35656+763670)=77082 |
| 435408+(445830+42935)=924173 | 581902-(313107+268795)=0 |
| 205088+(965361-932848)=237601 | 682964-(663589-16578)=35953 |
| 448461+(177210+335707)=961378 | 930000-(427070-93892)=596822 |
| 518707-(611627-224055)=131135 | 392000-(975157-828157)=245000 |
| 720740+(269+107093)=828102 | 297668+(976987-628447)=646208 |
| 600000-(49065+34845)=516090 | 146820+(152478+571887)=871185 |
| 751124-(189328+319124)=242672 | 228595+(750000-376300)=602295 |
| 551848+(214705+119700)=886253 | 328867+(381656-17871)=692652 |
| 982243-(454535-372292)=900000 | 135116+(663957+65588)=864661 |