| 600809+(220000-154890)=665919 | 343936+(460885-174068)=630753 |
| 831901-(730042-6262)=108121 | 936745-(396909+259125)=280711 |
| 890000-(240000+504861)=145139 | 637988+(283861-61844)=860005 |
| 990195-(333200-180000)=836995 | 1000000-(408233+138379)=453388 |
| 572583-(47977+324606)=200000 | 106996+(312160+80844)=500000 |
| 169979+(37527+27000)=234506 | 574200+(600103-206085)=968218 |
| 263770-(737568-488059)=14261 | 258938-(506096-280979)=33821 |
| 264301+(100000+19678)=383979 | 839151+(896522-762000)=973673 |
| 891331-(349916+16777)=524638 | 397347+(10633+202711)=610691 |
| 450765+(181168+46067)=678000 | 703627-(538027-404706)=570306 |
| 238978+(419727+95179)=753884 | 285986+(965165-710000)=541151 |
| 391800-(858821-848469)=381448 | 988499-(692434+232432)=63633 |
