| 620808-(841452-497371)=276727 | 312076+(880711-597021)=595766 |
| 246000+(614923-362519)=498404 | 886600-(630370+256230)=0 |
| 968244-(301766+600610)=65868 | 7338+(121818+795572)=924728 |
| 654148-(246085+100000)=308063 | 340000+(299513+206210)=845723 |
| 987925-(471953-380000)=895972 | 635409-(147699+317457)=170253 |
| 119582+(701530-681112)=140000 | 642005+(726531-398536)=970000 |
| 17103+(462202+280000)=759305 | 816270-(886470-588746)=518546 |
| 1000000-(343860-227280)=883420 | 326756+(425481+16338)=768575 |
| 469711+(830191-405857)=894045 | 739502-(600000-303039)=442541 |
| 824423+(413223-300000)=937646 | 646989-(8607+508704)=129678 |
| 320396+(150941+448663)=920000 | 573300-(386730-126420)=312990 |
| 918666-(281669+108988)=528009 | 397826+(65500+436674)=900000 |