| 803121-(810963-858197)=850355 | 1000000-(-810000+930000)=880000 |
| 890749+(173311-255127)=808933 | -277983+(-432755-0)=-710738 |
| 847703-(833600-615897)=630000 | 618230-(934679-514398)=197949 |
| -590000-(200000+70000)=-860000 | 248590+(-206437+811690)=853843 |
| -58131+(988967-389060)=541776 | 142395-(-549460+647855)=44000 |
| -944944+(900000-771301)=-816245 | -860528-(-710000-808404)=657876 |
| 374997+(-989280-200000)=-814283 | -718278-(-558395-82574)=-77309 |
| -385118-(293216+63694)=-742028 | -165593+(-194124+568028)=208311 |
| 413800-(-7047-54036)=474883 | -257802-(-370000+923849)=-811651 |
| -224843-(400000+264345)=-889188 | -650267-(105698-700508)=-55457 |
| -52036+(-874475+460680)=-465831 | -840000+(-86082+926082)=0 |
| 540000+(740537-785673)=494864 | -500000-(-191060+63605)=-372545 |
