| -600000-(-678000+135096)=-57096 | -930619-(-606134-23868)=-300617 |
| -6400-(284575+110000)=-400975 | -915059-(-394733-255045)=-265281 |
| 270000+(285877-87140)=468737 | -519068+(-176000-0)=-695068 |
| 383461+(-775557+160096)=-232000 | -285485+(519189-800000)=-566296 |
| 536415-(292922+745493)=-502000 | -58214-(-357229+313000)=-13985 |
| -340000-(752378-792378)=-300000 | 181700+(-621258+699558)=260000 |
| 245604-(-879000+824604)=300000 | 834837-(-391272+918839)=307270 |
| -750250+(-250000+923541)=-76709 | 126993-(790656-602120)=-61543 |
| 716293+(-873820-802473)=-960000 | -332251-(385600-197000)=-520851 |
| 306368-(-288319+700000)=-105313 | -43249+(-669866-178256)=-891371 |
| 391939-(608649-920758)=704048 | 70727-(14694+205187)=-149154 |
| -224660-(860000-684660)=-400000 | 469724-(-384350-46553)=900627 |
