| 253517+(94694+251789)=600000 | 287566-(597294-409728)=100000 |
| 302985+(489913-132285)=660613 | 965778-(235807+269971)=460000 |
| 29053+(128427+800000)=957480 | 287932-(95655+186336)=5941 |
| 650000-(860208-380208)=170000 | 130395+(668713+154514)=953622 |
| 240291+(370000+138730)=749021 | 293228+(723874-498866)=518236 |
| 625408+(300000-165408)=760000 | 871806-(119805+430056)=321945 |
| 380348-(720182-709834)=370000 | 314519+(327651-312170)=330000 |
| 684577-(200000+234274)=250303 | 326743+(723796-450539)=600000 |
| 197809-(800000-700000)=97809 | 965954-(461330+250000)=254624 |
| 77437+(515123-350000)=242560 | 893815-(589295+4520)=300000 |
| 663133-(761332-614140)=515941 | 134485+(595952+48861)=779298 |
| 366900-(694903-613705)=285702 | 27531+(118469+530000)=676000 |
