| 399536-(804623+444913)=-850000 | 248590+(-206437+811690)=853843 |
| -284799-(-114953+589792)=-759638 | 99713-(627015+122698)=-650000 |
| -192719+(633482-822968)=-382205 | 540000+(874154-609800)=804354 |
| 689634-(507996+249638)=-68000 | 713592-(831998-980771)=862365 |
| -871283-(532628-442226)=-961685 | -134474-(-348265+403370)=-189579 |
| -833433+(-900000+910138)=-823295 | 817481+(90753+60766)=969000 |
| 816316+(-691598-265927)=-141209 | 6021-(-508542+424466)=90097 |
| -580000+(-540000+510000)=-610000 | -37838-(404959+17203)=-460000 |
| -885007+(-240000+943482)=-181525 | 793693+(-316842-856000)=-379149 |
| -100000+(-156565-60139)=-316704 | -203096-(168425-711189)=339668 |
| 390000-(-52825-516700)=959525 | -60231-(-246500-60000)=246269 |
| 181625-(-153365-643000)=977990 | -666948+(833158+383790)=550000 |
