| 423681+(680000-303681)=800000 | 726592+(62000+151408)=940000 |
| 73382+(580965+120000)=774347 | 233793-(522642-347510)=58661 |
| 843330-(163000+605137)=75193 | 546900+(241275+59706)=847881 |
| 370178+(674996-290000)=755174 | 26474+(898899-429835)=495538 |
| 110900+(544007+171446)=826353 | 652108-(402200+113429)=136479 |
| 846266-(761925-330000)=414341 | 871806-(119805+430056)=321945 |
| 470000-(852400-690006)=307606 | 69685+(408801+185743)=664229 |
| 385665+(140911+380000)=906576 | 970644-(574320-464522)=860846 |
| 470091-(693559-523468)=300000 | 497978+(912666-750356)=660288 |
| 747360-(67200+569821)=110339 | 375031+(645707-282659)=738079 |
| 400000-(384000-174000)=190000 | 900000-(287034+292966)=320000 |
| 677962+(262786-190748)=750000 | 666180-(436105+130075)=100000 |
