| -266696-(989391-906087)=-350000 | 257339+(-339038+140000)=58301 |
| -450000-(153050-810000)=206950 | 711068-(520707+190361)=0 |
| -460000+(-477000+695700)=-241300 | 566999-(-185093+112092)=640000 |
| 166532-(-547316+873848)=-160000 | -122259-(-917132+820000)=-25127 |
| -978045+(-95769+673814)=-400000 | 225448+(-338769+856728)=743407 |
| -149459+(-31879-530110)=-711448 | 57572-(-203492+572288)=-311224 |
| -584820+(-173264+283477)=-474607 | 206653-(-270000-187800)=664453 |
| 716293+(-873820-802473)=-960000 | 303875+(299340-361276)=241939 |
| -803627-(-282182-365445)=-156000 | -240000+(36977-697209)=-900232 |
| 188958-(954945-581681)=-184306 | -186069+(265864-110000)=-30205 |
| 490000+(-325348-800000)=-635348 | -132807-(-79008-286483)=232684 |
| -570109-(-654343+164757)=-80523 | 234477-(900000-39331)=-626192 |
|