| -830000+510000-280000=-600000 | 952175-29764-122411=800000 |
| -167234-82943-479823=-730000 | -386292+686082-765987=-466197 |
| -317101-798405+702494=-413012 | 457277-760000+265344=-37379 |
| -135622-177664-86714=-400000 | -746632-740329+875961=-611000 |
| -846269+274213-7944=-580000 | -290233-562381+82614=-770000 |
| 930831-122116-274000=534715 | -33500+284781+362768=614049 |
| -910000-185879+98332=-997547 | -891749-867085+999000=-759834 |
| 661767+767078-615008=813837 | 210000-17908-955092=-763000 |
| 232056+913665-686147=459574 | 920906+260348-256767=924487 |
| -654046+162317+924851=433122 | -241129+780013+4116=543000 |
| 513778-701967+521189=333000 | -102177+41500-576387=-637064 |
| 601582-149919+330580=782243 | 181872-570614+967058=578316 |
