| 180499+(79454+410047)=670000 | 371944+(268538-101469)=539013 |
| 428000-(955369-877369)=350000 | 376444+(300000+310000)=986444 |
| 968244-(301766+600610)=65868 | 340000+(299513+206210)=845723 |
| 363721-(994993-820272)=189000 | 993477-(636599-349122)=706000 |
| 165186+(802900-378086)=590000 | 196239+(180495+600000)=976734 |
| 491842+(370490+53382)=915714 | 667982+(102428+81626)=852036 |
| 167232-(620000-602949)=150181 | 89166+(235292-44458)=280000 |
| 494013-(9901+364112)=120000 | 796618-(414427+326594)=55597 |
| 237239+(908193-401076)=744356 | 297000-(462694-446615)=280921 |
| 868148-(383008+435983)=49157 | 80000+(725028-128921)=676107 |
| 392000-(975157-828157)=245000 | 950725-(387643+200000)=363082 |
| 508586-(85745+21246)=401595 | 81000+(924059-134782)=870277 |
