| 860353-(309638-49285)=600000 | 536049-(460000+13650)=62399 |
| 253875+(329833+236000)=819708 | 777900+(494161-272061)=1000000 |
| 146820+(152478+571887)=871185 | 857561+(974586-934539)=897608 |
| 820272-(488661-268389)=600000 | 423751+(685417-410000)=699168 |
| 487024-(243801+143223)=100000 | 687462-(317385-166923)=537000 |
| 426902+(406268-33170)=800000 | 805958-(126800-43340)=722498 |
| 551131+(373187-279930)=644388 | 253274+(877735-792176)=338833 |
| 308706-(613202-525496)=221000 | 903470-(123170+500000)=280300 |
| 182543+(130907+676550)=990000 | 983799-(970746-625654)=638707 |
| 481107+(67054+88349)=636510 | 340000+(299513+206210)=845723 |
| 133950+(618536+100000)=852486 | 900000-(198288+525107)=176605 |
| 592186-(16698+72234)=503254 | 960000-(430425+279575)=250000 |
