| -815085-(-601388+620018)=-833715 | 980077-(676565-576488)=880000 |
| -129191-(656039-736523)=-48707 | -129288-(460000+161172)=-750460 |
| 748209+(830000-802054)=776155 | 8501-(-436270-552757)=997528 |
| 387182-(360000+933304)=-906122 | 715666-(691609-257902)=281959 |
| -895162-(-356872-304734)=-233556 | 486450-(-669500+975721)=180229 |
| -944263+(785973-670710)=-829000 | -443841+(660000-959813)=-743654 |
| 226043-(-400000-79400)=705443 | -991005+(-909048+947275)=-952778 |
| 142596-(-61193+655191)=-451402 | -464950-(164617+369006)=-998573 |
| -332251-(385600-197000)=-520851 | -678280+(-327450+263369)=-742361 |
| 126575+(-634000+102103)=-405322 | -341295-(-166365-174022)=-908 |
| 1000000+(-642470-63685)=293845 | -100000-(-958037+469750)=388287 |
| 480710+(672474-833184)=320000 | -43249+(-669866-178256)=-891371 |