| 668291-(399589-118672)=387374 | 410567-(640000-276195)=46762 |
| 579527+(41872+179482)=800881 | 780000-(577781-300000)=502219 |
| 188151+(93885+313207)=595243 | 900000-(198288+525107)=176605 |
| 203532+(789991-503523)=490000 | 131728-(195035-73307)=10000 |
| 435408+(445830+42935)=924173 | 170702+(489504-120792)=539414 |
| 907105-(933451-650754)=624408 | 830000-(198546+54075)=577379 |
| 164557+(680688-405731)=439514 | 981513-(120504+181953)=679056 |
| 564120+(136986+118228)=819334 | 820000-(80000+319736)=420264 |
| 748878+(687595-567321)=869152 | 890000-(240000+504861)=145139 |
| 10000+(760000-671191)=98809 | 142507+(918370-300877)=760000 |
| 271280-(688534-537254)=120000 | 44072+(190976+527751)=762799 |
| 924911-(1870+177418)=745623 | 621289+(196421+79884)=897594 |
