| 688143+(-402315+323172)=609000 | 870664+(-138420-463309)=268935 |
| -906978+(280000-289235)=-916213 | -125196-(40905-114877)=-51224 |
| 941300-(654358+822488)=-535546 | -96836+(-11600-848397)=-956833 |
| 500000-(600862+510963)=-611825 | 110736-(-260354-404910)=776000 |
| -836000-(-550000-896640)=610640 | -640648-(110760-261408)=-490000 |
| -415346-(-110000+219778)=-525124 | 126993-(790656-602120)=-61543 |
| 97810+(220000-417810)=-100000 | -223274+(-690000+298600)=-614674 |
| 101802-(312692+219110)=-430000 | -610000+(996543-440270)=-53727 |
| 358030+(-200000+821271)=979301 | -785074-(-852071+654341)=-587344 |
| 110000+(400827-249827)=261000 | 391583+(-20479-992425)=-621321 |
| -84838-(688216+168225)=-941279 | 438886-(-79367-242964)=761217 |
| -22507+(-973013+678520)=-317000 | 887254-(-526798+462294)=951758 |
