| -391315-458491+35035=-814771 | 324540-184946+328406=468000 |
| -671295+211831+332322=-127142 | -608237+277787+989206=658756 |
| 458246+330965-65548=723663 | 631011-594600+158594=195005 |
| -250095-270630+305899=-214826 | -412763+141504-529837=-801096 |
| -500748+834146-533398=-200000 | 288780+860000-188780=960000 |
| 706806+795115-947161=554760 | -822716-136255-34723=-993694 |
| -987400+770000-782600=-1000000 | 109186-457280+809690=461596 |
| -108486-661000+270349=-499137 | 900000-916607+533156=516549 |
| -280094+362043-607900=-525951 | -84443-228162-57416=-370021 |
| -800000+891379-371379=-280000 | -95518+291882+558347=754711 |
| 105777-430000-46567=-370790 | 602823-577655-419235=-394067 |
| 380640-57135-863505=-540000 | -397700-82685-155964=-636349 |