| -138300-870000+788300=-220000 | -300000+369031-947154=-878123 |
| -266969+580737-2200=311568 | -801865+98033+622426=-81406 |
| 507532-9875-955657=-458000 | -987000+900000+744165=657165 |
| -48166-639081-52933=-740180 | 58506+431712-440000=50218 |
| 414577-150000-464577=-200000 | -263028-961651+455898=-768781 |
| -247201+84527+604171=441497 | -135918+535824-71517=328389 |
| 198275+679985-278260=600000 | 379803-35486-371992=-27675 |
| -540585-49813-389602=-980000 | 253948+1000000-727454=526494 |
| -785323+215649-340000=-909674 | 686100-310572+166259=541787 |
| 504000-173826-591497=-261323 | -822121-62269-74848=-959238 |
| 949683-324888-144795=480000 | -210000-326413+436413=-100000 |
| 945828-777925+740398=908301 | -195476-300842+92318=-404000 |
