| -764559-(576764-988760)=-352563 | 878217+(-550000-129634)=198583 |
| -245927+(234280-713860)=-725507 | 630142+(-200898+380756)=810000 |
| 520000+(-220550+289386)=588836 | -14845+(-67029+510874)=429000 |
| -434500+(550122-245039)=-129417 | 680000+(313988-734090)=259898 |
| -987000-(-808171-296400)=117571 | -980000+(-151066+791066)=-340000 |
| -50127-(-125866+339627)=-263888 | 240199-(-184277+497569)=-73093 |
| -724530-(43082+188081)=-955693 | 580000-(1000000-998624)=578624 |
| 374009-(883959-680000)=170050 | -616853-(-254825-511400)=149372 |
| -598749-(33000+8251)=-640000 | 405916-(796371+99545)=-490000 |
| 476667-(-393074+669228)=200513 | 500000-(-971833+982833)=489000 |
| -34677+(0-52960)=-87637 | 179419+(723076-190806)=711689 |
| 949622+(-813898+499094)=634818 | 99713-(627015+122698)=-650000 |
