| 820272-(488661-268389)=600000 | 185789+(262950+448731)=897470 |
| 41035+(751884+52895)=845814 | 729820-(262773+312399)=154648 |
| 581204+(859969-474000)=967173 | 621289+(196421+79884)=897594 |
| 415268-(1423+142502)=271343 | 742690-(715632-659947)=687005 |
| 983973-(623784-450000)=810189 | 140453-(298035-184019)=26437 |
| 665102+(422996-205000)=883098 | 478940+(261738+170000)=910678 |
| 219885+(690000-654091)=255794 | 868275-(916470-770924)=722729 |
| 29443+(909800-765923)=173320 | 840000-(32938+530476)=276586 |
| 448461+(177210+335707)=961378 | 397347+(10633+202711)=610691 |
| 983068-(669256+13812)=300000 | 647808+(324333-255673)=716468 |
| 1000000-(785381+114619)=100000 | 437179-(126875+207568)=102736 |
| 261024+(820117-681141)=400000 | 444678-(507046-266406)=204038 |
