| -176817+630991-322838=131336 | 950072-556980-873092=-480000 |
| -949772+640000+950000=640228 | -82143-410000+801143=309000 |
| 232056+913665-686147=459574 | -521613+354033-234504=-402084 |
| -129737+76915+230000=177178 | 467814-600000+292186=160000 |
| 285532-858756-400000=-973224 | -835309+560732+714992=440415 |
| -344705-536186-98109=-979000 | -299900-243880-79922=-623702 |
| -298556-88995+997319=609768 | 695998-706197-533989=-544188 |
| 336513-194089+95576=238000 | -550620-544920+775063=-320477 |
| 0+10738-281161=-270423 | 485798+210565-747964=-51601 |
| 290000+959957-778004=471953 | -314541+182056-267515=-400000 |
| 940068-446751-274704=218613 | -503213+90914+669855=257556 |
| 844251-686698+657106=814659 | 833313+82159-87964=827508 |
