| -22240+(-124242-369578)=-516060 | -596920-(696533-993453)=-300000 |
| -201604-(-964086+250000)=512482 | 308700+(-585525-601975)=-878800 |
| -330172-(98863-964635)=535600 | 609691+(-435281-924410)=-750000 |
| 695593+(-51422+269609)=913780 | -702417-(-332100+189683)=-560000 |
| 450282-(-116279+10547)=556014 | -949647-(-133589-326737)=-489321 |
| 357921-(-257045+399966)=215000 | 206653-(-270000-187800)=664453 |
| -470453+(-931873+742326)=-660000 | 139548+(952935-990000)=102483 |
| 173743-(-572523-100095)=846361 | -122259-(-917132+820000)=-25127 |
| -58131+(988967-389060)=541776 | -991005+(-909048+947275)=-952778 |
| 294043-(670000+600000)=-975957 | 490000+(-325348-800000)=-635348 |
| -423664+(-134400+437988)=-120076 | 457883+(826878-986439)=298322 |
| 137000-(458732-421732)=100000 | -738838-(170000+0)=-908838 |