| 422108+(-64496-957612)=-600000 | -762000+(810000-28000)=20000 |
| -100000+(600000-376907)=123093 | 365973-(816000-230027)=-220000 |
| 494173-(-100837+860000)=-264990 | 875014-(455933+472536)=-53455 |
| -454302+(-259596+406420)=-307478 | -928152-(118387-337656)=-708883 |
| 206653-(-270000-187800)=664453 | 135317-(-250000+825317)=-440000 |
| 891423+(-638818-182605)=70000 | -89973-(205435+408742)=-704150 |
| -21467-(400528+533368)=-955363 | -612796-(-334803-510776)=232783 |
| 569726+(738811-385213)=923324 | 879929-(647683+853554)=-621308 |
| -717125-(-764293+234168)=-187000 | 647216+(618643-660020)=605839 |
| -709784-(-242894+231449)=-698339 | -61635+(-915317+616952)=-360000 |
| -500000-(-191060+63605)=-372545 | 475229-(-19701-304013)=798943 |
| 650000+(-270000-690000)=-310000 | 652000+(-78417+152375)=725958 |
