| 320000+(419129-371049)=368080 | 425085-(819380-675000)=280705 |
| 372147+(902866-722155)=552858 | 912018-(20938+607300)=283780 |
| 302985+(489913-132285)=660613 | 751794-(664505+53937)=33352 |
| 774932-(843830-193749)=124851 | 104825+(646222+212808)=963855 |
| 69626+(328746+139309)=537681 | 720740+(269+107093)=828102 |
| 699720-(330277+186000)=183443 | 999741-(670000+186378)=143363 |
| 203532+(789991-503523)=490000 | 620475-(712163-205760)=114072 |
| 616000+(73267+26128)=715395 | 984613-(660097-315870)=640386 |
| 543708-(336673+141930)=65105 | 261011+(557305+114306)=932622 |
| 998841-(847006-169737)=321572 | 74327+(735188-100000)=709515 |
| 549500-(157296-117796)=510000 | 98637+(821174-249811)=670000 |
| 508202-(377891+53558)=76753 | 81221+(400000+173387)=654608 |
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