| -23809+(-209502-121075)=-354386 | 244706-(-793942+118087)=920561 |
| 555000-(452000+190000)=-87000 | 486450-(-669500+975721)=180229 |
| 223341-(992752-886154)=116743 | 812125-(-534869+826994)=520000 |
| -926502-(-51423-240000)=-635079 | 713312-(435126+632165)=-353979 |
| 811044-(256625-311104)=865523 | -311255-(110000+539145)=-960400 |
| 422108+(-64496-957612)=-600000 | -600000+(-86697-113303)=-800000 |
| -790000-(972415-922021)=-840394 | 720000+(-768990-783126)=-832116 |
| 192498+(-87388-481346)=-376236 | 320380-(-163768-281652)=765800 |
| 280196+(141385-467035)=-45454 | -423664+(-134400+437988)=-120076 |
| -585377-(-480399+644868)=-749846 | -330000+(-313153-101268)=-744421 |
| -319501-(-260000-115649)=56148 | 293061+(40479-593540)=-260000 |
| -144539-(368350-42889)=-470000 | -650454+(817124-616092)=-449422 |