| 781911+(43747+130200)=955858 | 140000+(96297+113703)=350000 |
| 131946+(129173+418881)=680000 | 353956+(723944-426797)=651103 |
| 310000+(283544-115544)=478000 | 924911-(1870+177418)=745623 |
| 279320-(102600+170720)=6000 | 54871+(710000+137983)=902854 |
| 400000-(948153-784359)=236206 | 510000-(988097-798097)=320000 |
| 431853+(738372-401507)=768718 | 13194+(120657+406149)=540000 |
| 375031+(645707-282659)=738079 | 313729-(500000-325862)=139591 |
| 665199-(513012+130000)=22187 | 713555-(184913-101358)=630000 |
| 523348-(194857+100000)=228491 | 720000-(585525+122488)=11987 |
| 1000000-(893933-299300)=405367 | 508651+(530285-304408)=734528 |
| 600000-(546049-251104)=305055 | 745874+(916550-815588)=846836 |
| 661916-(365534+153215)=143167 | 127419+(555000+1581)=684000 |
