| 712892-(292766+172882)=247244 | 166324+(310000+273676)=750000 |
| 302460+(274844+56000)=633304 | 1000000-(323000+160664)=516336 |
| 142507+(918370-300877)=760000 | 767825-(965067-528308)=331066 |
| 29405+(175539+521130)=726074 | 469711+(830191-405857)=894045 |
| 65463+(297135-180000)=182598 | 983068-(669256+13812)=300000 |
| 752113-(206969+96676)=448468 | 276799+(447405-402746)=321458 |
| 790325-(168463+593632)=28230 | 620475-(712163-205760)=114072 |
| 398634+(164996-121630)=442000 | 307871-(410000-232129)=130000 |
| 635409-(147699+317457)=170253 | 646560-(497714-250000)=398846 |
| 36116+(214746+179138)=430000 | 609778-(857044-817849)=570583 |
| 368834+(340000+251166)=960000 | 669738+(87200+202979)=959917 |
| 558181-(947863-548455)=158773 | 219866+(310000-240000)=289866 |
