| 508651+(530285-304408)=734528 | 627400+(357775-183611)=801564 |
| 71161+(142949+335890)=550000 | 111989+(497040-376353)=232676 |
| 124745+(551000+252060)=927805 | 400000-(384000-174000)=190000 |
| 683322-(424482+192667)=66173 | 950000-(199869+350131)=400000 |
| 893815-(589295+4520)=300000 | 7338+(121818+795572)=924728 |
| 846166-(525070-198904)=520000 | 682964-(663589-16578)=35953 |
| 435264-(330348-90041)=194957 | 263523+(132866+36558)=432947 |
| 978950-(17799+231151)=730000 | 60000+(78561-37685)=100876 |
| 847048-(878823-297083)=265308 | 860000-(377852+172148)=310000 |
| 768289-(360041+28248)=380000 | 3833+(667000-833)=670000 |
| 146472+(149245+104283)=400000 | 67759+(350672+60697)=479128 |
| 809166+(840000-814929)=834237 | 616582-(966870-774053)=423765 |