| -759085-(907164-866249)=-800000 | -180512-(-253471-868848)=941807 |
| 248590+(-206437+811690)=853843 | -89973-(205435+408742)=-704150 |
| -717125-(-764293+234168)=-187000 | -358187+(-775599+991616)=-142170 |
| -436727+(350000-594497)=-681224 | -869388-(-908312+379000)=-340076 |
| 934953-(977082+647871)=-690000 | 578045-(0+524958)=53087 |
| 291840-(-883655+635495)=540000 | 651833-(-700000+693196)=658637 |
| 900097+(-887299+963202)=976000 | -450821-(216412+7642)=-674875 |
| 212817-(939705-21096)=-705792 | -664803-(-149219+246900)=-762484 |
| -186069+(265864-110000)=-30205 | -590000-(200000+70000)=-860000 |
| -64001+(-378014-300000)=-742015 | 630475+(236233-551375)=315333 |
| 566999-(-185093+112092)=640000 | -519068+(-176000-0)=-695068 |
| 246386-(941133-388835)=-305912 | -980400+(0+128590)=-851810 |
