| 250786-(302270-254786)=203302 | 259242+(953998-698000)=515240 |
| 486778-(448042-1264)=40000 | 13285+(546289-444195)=115379 |
| 172083+(644108-104324)=711867 | 942499-(82409+370090)=490000 |
| 227609+(377085-210000)=394694 | 789225+(37308+34423)=860956 |
| 646989-(8607+508704)=129678 | 800000-(220000+567390)=12610 |
| 328632+(927065-525697)=730000 | 219290+(20420+420451)=660161 |
| 637264-(324252+113012)=200000 | 645977-(508010-462033)=600000 |
| 130000+(425157+349370)=904527 | 175635+(688590-422388)=441837 |
| 541745-(976479-834734)=400000 | 750413+(100000+115106)=965519 |
| 680000-(368928+228695)=82377 | 81221+(400000+173387)=654608 |
| 549500-(157296-117796)=510000 | 219957-(693109-687724)=214572 |
| 819638-(400000+152799)=266839 | 81750+(615293+60000)=757043 |
