| -758487+(-10973+19460)=-750000 | 173743-(-572523-100095)=846361 |
| -320715-(-233470-144469)=57224 | -34677+(0-52960)=-87637 |
| -600000-(599897-259897)=-940000 | 803121-(810963-858197)=850355 |
| 742000-(-444600+686600)=500000 | -128759+(162375-336512)=-302896 |
| 406386+(-338529+582143)=650000 | 882704-(876375-968671)=975000 |
| -300000+(-514264-60632)=-874896 | 207256-(-242782-382352)=832390 |
| 698841-(-580690+574946)=704585 | -129191-(656039-736523)=-48707 |
| -54319+(313681-449485)=-190123 | -807133-(602822-620000)=-789955 |
| -598749-(33000+8251)=-640000 | -17001-(-683892+433274)=233617 |
| -480706+(-122264-197030)=-800000 | -519824-(-820000+286441)=13735 |
| 569726+(738811-385213)=923324 | 26290+(-279000+220710)=-32000 |
| 294043-(670000+600000)=-975957 | 941300-(654358+822488)=-535546 |
