| 628579+(68669-44211)=653037 | 641393-(834972-566391)=372812 |
| 567218+(76141+6641)=650000 | 958718-(521401+437317)=0 |
| 128352-(211535-209007)=125824 | 65463+(297135-180000)=182598 |
| 41035+(751884+52895)=845814 | 916642-(275508+408557)=232577 |
| 267994+(359787+301719)=929500 | 320000-(331924-147046)=135122 |
| 107000+(209532+229250)=545782 | 697902-(174623+413815)=109464 |
| 690371-(61536+28835)=600000 | 271763+(202000-115898)=357865 |
| 360273+(760000-579809)=540464 | 900000-(505479+64089)=330432 |
| 8636+(473586+473629)=955851 | 891551-(198410-135519)=828660 |
| 800000-(220000+567390)=12610 | 742231-(920000-720000)=542231 |
| 172083+(644108-104324)=711867 | 817571+(831693-731407)=917857 |
| 22755+(56985+536934)=616674 | 980000-(803830-310414)=486584 |
