| -481250+440843-712816=-753223 | -100000-710217+739640=-70577 |
| -771835-100000-66487=-938322 | 928045-300000-290000=338045 |
| 134282-155543+211000=189739 | 278000-101822+61000=237178 |
| -803690-44925+569905=-278710 | 125549-428989+490295=186855 |
| 616161+256973-47134=826000 | -108486-661000+270349=-499137 |
| -497900+448434-800000=-849466 | 376783+319081-95864=600000 |
| -293118+205254-442082=-529946 | -4760+187504+127256=310000 |
| -132725-2308-423700=-558733 | -52000-433055+751892=266837 |
| -2261-240000-230739=-473000 | -257702+218537+670165=631000 |
| 414853-248968-188046=-22161 | -287143+476248+251987=441092 |
| 510525+8949-247598=271876 | 602823-577655-419235=-394067 |
| 792780+230811-551503=472088 | -583927+48603+225324=-310000 |
