| -280094+362043-607900=-525951 | -760000-959910+991937=-727973 |
| 152649+525632-985176=-306895 | 623460+562962-534446=651976 |
| -133161+280000+755161=902000 | 552470+430000-503678=478792 |
| -180000-5720+970929=785209 | 590057-219561-978496=-608000 |
| 711583-816712-225043=-330172 | -995202+859752+793886=658436 |
| -70000-503794-210000=-783794 | 650392-386043+425651=690000 |
| 50305+139829-520000=-329866 | 625346-26600+96104=694850 |
| 331139-707379-244223=-620463 | 504000-173826-591497=-261323 |
| -350978+475280-124302=0 | -272155+433907+510082=671834 |
| -987000+900000+744165=657165 | -199522-671127+70649=-800000 |
| -296668+630000-953332=-620000 | -125759-160004-232306=-518069 |
| 180000-698132+722828=204696 | -85288+144625-869337=-810000 |
