| 768791-(233914+188061)=346816 | 999154-(30724+128705)=839725 |
| 239727+(264829+184593)=689149 | 995795-(292740+403683)=299372 |
| 47376+(201205-131778)=116803 | 431978+(158074+132515)=722567 |
| 687462-(317385-166923)=537000 | 188303+(856885-600000)=445188 |
| 98637+(821174-249811)=670000 | 188502+(526134-492679)=221957 |
| 824268-(357153+182453)=284662 | 29854+(837000-764460)=102394 |
| 276897+(406881+186222)=870000 | 306774+(706105-512879)=500000 |
| 412961-(216091-200000)=396870 | 73674+(677798+239528)=991000 |
| 717631-(513311+37568)=166752 | 458278+(68467+93566)=620311 |
| 921071-(653593-244984)=512462 | 558181-(947863-548455)=158773 |
| 219957-(693109-687724)=214572 | 351287+(156643+147782)=655712 |
| 597969-(431647-213678)=380000 | 581887-(122155+283170)=176562 |
