| 890789-(930000-800000)=760789 | 580638-(14788+262616)=303234 |
| 576668-(123892+212776)=240000 | 626226-(273882+152344)=200000 |
| 448461+(177210+335707)=961378 | 628579+(68669-44211)=653037 |
| 254474+(40932+357470)=652876 | 720728-(620830+72772)=27126 |
| 34175+(446829+518996)=1000000 | 889406-(990000-428816)=328222 |
| 444678-(507046-266406)=204038 | 259242+(953998-698000)=515240 |
| 842136+(61833+96031)=1000000 | 196109+(10296+354945)=561350 |
| 280720-(666235-511457)=125942 | 252652+(189416+125720)=567788 |
| 661916-(365534+153215)=143167 | 649931-(913939-681740)=417732 |
| 680024+(804000-629642)=854382 | 128489+(400000-208489)=320000 |
| 890000-(318225-202855)=774630 | 627024+(904033-531057)=1000000 |
| 551131+(373187-279930)=644388 | 840000-(32938+530476)=276586 |
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