| 958270-(856229-96788)=198829 | 582637+(958440-845748)=695329 |
| 684445-(200844+113530)=370071 | 244189+(404819-269008)=380000 |
| 581204+(859969-474000)=967173 | 61470+(338475+410055)=810000 |
| 513419+(144529+142052)=800000 | 141980-(138592-69150)=72538 |
| 700330+(236547-46583)=890294 | 736843-(569914-544975)=711904 |
| 302376+(770000-662711)=409665 | 190000+(141366+550100)=881466 |
| 740000-(521403-330732)=549329 | 740763-(30788+145954)=564021 |
| 789225+(37308+34423)=860956 | 879970-(97032+503571)=279367 |
| 821768-(742824-556000)=634944 | 718087-(375000+100000)=243087 |
| 669534-(118325+61209)=490000 | 965961-(162527+344568)=458866 |
| 100000-(690000-687404)=97404 | 188151+(93885+313207)=595243 |
| 109898+(64497+125605)=300000 | 268567+(716976-3549)=981994 |