| 803121-(810963-858197)=850355 | -272400-(490000-500000)=-262400 |
| 213517+(-512393+408876)=110000 | 144574+(-553000-163173)=-571599 |
| -96904+(-701271-73040)=-871215 | -980650+(650000-80732)=-411382 |
| -604926+(119396+105530)=-380000 | -289650-(160316-264762)=-185204 |
| 10236+(-458322+748086)=300000 | 907313-(-123621+117285)=913649 |
| -631062-(-342683-135282)=-153097 | 845928-(810000+142054)=-106126 |
| 89208-(600000+39208)=-550000 | 566999-(-185093+112092)=640000 |
| -84838-(688216+168225)=-941279 | 80712-(610000+352355)=-881643 |
| 143279-(-626106+746015)=23370 | -243497+(-567432+246142)=-564787 |
| -24734-(709541+133898)=-868173 | 718574+(955684-808996)=865262 |
| -98940+(-395791+293405)=-201326 | 939230+(-930000+768619)=777849 |
| -418570-(-425671+334867)=-327766 | -862944-(-76151-116873)=-669920 |