| 540000+(452303-294123)=698180 | 249714+(165489-152265)=262938 |
| 953847-(516303+387078)=50466 | 470091-(693559-523468)=300000 |
| 600000-(265000+86267)=248733 | 43877-(160356-159176)=42697 |
| 955958-(504823+301135)=150000 | 219290+(20420+420451)=660161 |
| 561947+(67550+194927)=824424 | 875733-(411867-135320)=599186 |
| 300000-(554138-508242)=254104 | 113959+(122146+342293)=578398 |
| 153943+(588790-170028)=572705 | 575304-(110000+390291)=75013 |
| 450933-(730000-697624)=418557 | 431853+(738372-401507)=768718 |
| 211952+(3442+34606)=250000 | 3015+(676670-322015)=357670 |
| 781672-(412110-172263)=541825 | 100000+(218679+42978)=361657 |
| 554966+(25963+63025)=643954 | 985219-(81805+903414)=0 |
| 841051-(622242+138570)=80239 | 70700+(681685-552385)=200000 |