| -373486+(-358832-15177)=-747495 | 70727-(14694+205187)=-149154 |
| 504312+(839622-680297)=663637 | -972823-(-450996-151827)=-370000 |
| 240199-(-184277+497569)=-73093 | 356453+(-669334+654490)=341609 |
| 789051-(997321-363002)=154732 | -570551-(-189816+344283)=-725018 |
| 990000+(-910000+284486)=364486 | 75751-(712622-449481)=-187390 |
| -209509-(87075+428000)=-724584 | -610000+(996543-440270)=-53727 |
| 97805-(152625+919521)=-974341 | -160070+(-273013+811875)=378792 |
| 206653-(-270000-187800)=664453 | -450821-(216412+7642)=-674875 |
| -248602+(-436593-133682)=-818877 | -612796-(-334803-510776)=232783 |
| -137329+(117011-500000)=-520318 | -670000-(776839-658643)=-788196 |
| 438886-(-79367-242964)=761217 | -255656+(-766241+647346)=-374551 |
| 792842-(-310410+730000)=373252 | -900000-(-500000-122064)=-277936 |