| 4749+(145570+471681)=622000 | 878772-(226970+583591)=68211 |
| 221229-(42663+598)=177968 | 956000-(220689-84644)=819955 |
| 990195-(333200-180000)=836995 | 281383+(190346-65887)=405842 |
| 975200-(807526-200000)=367674 | 189296+(574717-364043)=399970 |
| 47217+(323035+219877)=590129 | 489294+(232537-131831)=590000 |
| 562326-(384839+142984)=34503 | 159018+(227536+442446)=829000 |
| 726592+(62000+151408)=940000 | 720000-(90459-31736)=661277 |
| 510296-(900000-410419)=20715 | 525802+(30972+293226)=850000 |
| 508586-(85745+21246)=401595 | 527014+(669685-360292)=836407 |
| 291757+(668981-380000)=580738 | 824423+(413223-300000)=937646 |
| 637264-(324252+113012)=200000 | 872219-(770000+27000)=75219 |
| 400000-(835434-442934)=7500 | 359507+(342072+100000)=801579 |
