| 744563-(871700-809005)=681868 | 449305+(406292-206181)=649416 |
| 988330-(611514+286425)=90391 | 254474+(40932+357470)=652876 |
| 69685+(408801+185743)=664229 | 816270-(886470-588746)=518546 |
| 3833+(667000-833)=670000 | 263523+(132866+36558)=432947 |
| 469644-(183201+81899)=204544 | 328064-(459587-204728)=73205 |
| 295196-(486408-288691)=97479 | 483304+(320000-15000)=788304 |
| 828055-(400119-262064)=690000 | 430000+(703562-191954)=941608 |
| 342524+(643889-632586)=353827 | 385665+(140911+380000)=906576 |
| 779651-(530000+135825)=113826 | 546900+(241275+59706)=847881 |
| 893815-(589295+4520)=300000 | 958263-(400798+215733)=341732 |
| 454007+(366472-201052)=619427 | 207930+(126847+264017)=598794 |
| 641660-(400000+210231)=31429 | 814184-(202000-146529)=758713 |
