| 219866+(310000-240000)=289866 | 322948-(600000-479146)=202094 |
| 257428-(626309-548915)=180034 | 500000+(778413-758413)=520000 |
| 510000-(988097-798097)=320000 | 841051-(622242+138570)=80239 |
| 151508+(104541+144062)=400111 | 97114-(941325-890000)=45789 |
| 754943-(204900+196200)=353843 | 195974+(590000-91974)=694000 |
| 246893+(959584-699259)=507218 | 234960+(14094+279539)=528593 |
| 693915-(180000+470733)=43182 | 127247+(549200+23168)=699615 |
| 2655+(122169+539128)=663952 | 613277+(280977-244254)=650000 |
| 433665-(152766+144805)=136094 | 32400+(597430-225830)=404000 |
| 887758-(473769-286011)=700000 | 783999-(123629+266776)=393594 |
| 190000+(141366+550100)=881466 | 425869-(248491+59768)=117610 |
| 780000+(190000+30000)=1000000 | 883205-(947712-114613)=50106 |
