| 714780-(226584+488196)=0 | 879688-(854129-589712)=615271 |
| 142507+(918370-300877)=760000 | 44072+(190976+527751)=762799 |
| 400743+(851725-450000)=802468 | 230513-(301100-120000)=49413 |
| 295917+(260000+11762)=567679 | 720740+(269+107093)=828102 |
| 195974+(590000-91974)=694000 | 278717+(170000+550557)=999274 |
| 851911-(25813+246098)=580000 | 228783+(474177-463673)=239287 |
| 1000000-(123072+606928)=270000 | 895396-(450227+69269)=375900 |
| 575304-(110000+390291)=75013 | 774932-(843830-193749)=124851 |
| 693151+(385280-111890)=966541 | 855658-(151689+22954)=681015 |
| 32153+(436811+264909)=733873 | 970263-(444689-53371)=578945 |
| 268567+(716976-3549)=981994 | 101903+(155968+219150)=477021 |
| 920000-(922777-700000)=697223 | 721705-(428253-276548)=570000 |
