| 89200+(469070-448270)=110000 | 205002+(660000-615216)=249786 |
| 287932-(95655+186336)=5941 | 144877+(740000-603418)=281459 |
| 549725+(253318-202334)=600709 | 641393-(834972-566391)=372812 |
| 130592+(1000000-700000)=430592 | 889406-(990000-428816)=328222 |
| 747360-(67200+569821)=110339 | 130000+(425157+349370)=904527 |
| 684445-(200844+113530)=370071 | 898916-(859193+14002)=25721 |
| 238978+(419727+95179)=753884 | 50911+(71108+727981)=850000 |
| 458278+(68467+93566)=620311 | 140000+(136254+485503)=761757 |
| 720000-(304511+326489)=89000 | 120000-(484727-463000)=98273 |
| 113508-(103797-30793)=40504 | 418900+(640000-580284)=478616 |
| 1000000-(224921+475079)=300000 | 364471-(524467-519996)=360000 |
| 292678+(206912+399453)=899043 | 470000-(505000-39448)=4448 |