| -711178+(918981-68254)=139549 | 212817-(939705-21096)=-705792 |
| 501008-(-754362+872022)=383348 | 990000+(-910000+284486)=364486 |
| -266696-(989391-906087)=-350000 | -570551-(-189816+344283)=-725018 |
| 962264+(439858-857767)=544355 | 913118+(-571000-191841)=150277 |
| 240152-(165787+354813)=-280448 | 140125-(91536+25077)=23512 |
| -100000-(350000+403128)=-853128 | -565706+(-577303+793009)=-350000 |
| -962350-(690000-920085)=-732265 | -573140+(-26127-215782)=-815049 |
| -864502-(-298244+154742)=-721000 | -739442-(-470000-787455)=518013 |
| -585377-(-480399+644868)=-749846 | -137329+(117011-500000)=-520318 |
| 602141-(-160000+652141)=110000 | -128752+(-366385-84772)=-579909 |
| 257103+(97303-538866)=-184460 | -203096-(168425-711189)=339668 |
| 646102+(-801816-564286)=-720000 | 210000+(-708426+100027)=-398399 |