| -89973-(205435+408742)=-704150 | 480710+(672474-833184)=320000 |
| -398508+(-79732+278240)=-200000 | -266983-(929533-891829)=-304687 |
| 370000-(28870+551130)=-210000 | 971077-(958325-226085)=238837 |
| 871632+(-919700-584640)=-632708 | -683310-(-762652-611100)=690442 |
| -111129+(-186075+251674)=-45530 | 666221-(660000-420000)=426221 |
| -339989+(-417742-212269)=-970000 | -87040-(-782800+262939)=432821 |
| -438438-(-911621+78000)=395183 | 540000+(136281-115135)=561146 |
| 200000-(-633381+292325)=541056 | -182891-(-696461-54309)=567879 |
| 49240-(-276932+972172)=-646000 | 400000-(-171688-12767)=584455 |
| 104620+(-949017+712804)=-131593 | 425691-(723834+242162)=-540305 |
| 566999-(-185093+112092)=640000 | 865405+(-430000-154761)=280644 |
| -550000-(43870-4000)=-589870 | -906978+(280000-289235)=-916213 |
