| 883763-(391956+300000)=191807 | 81971+(480000+129674)=691645 |
| 686392-(65994+45787)=574611 | 55349+(291362+457894)=804605 |
| 246893+(959584-699259)=507218 | 661406-(770900-717618)=608124 |
| 12503+(562543+392695)=967741 | 289100+(786430-160068)=915462 |
| 934367-(383237+374130)=177000 | 573300-(386730-126420)=312990 |
| 614276-(261777-217501)=570000 | 914415-(545056+199359)=170000 |
| 877721-(48147+250000)=579574 | 111989+(497040-376353)=232676 |
| 32153+(436811+264909)=733873 | 3833+(667000-833)=670000 |
| 450933-(730000-697624)=418557 | 734851-(209258+200000)=325593 |
| 608018+(795341-463000)=940359 | 606478-(696645-490167)=400000 |
| 306905+(862793-336579)=833119 | 137765+(159000+250712)=547477 |
| 156674-(500000-425114)=81788 | 675979+(92740+221281)=990000 |