| 175635+(688590-422388)=441837 | 263770-(737568-488059)=14261 |
| 518707-(611627-224055)=131135 | 564120+(136986+118228)=819334 |
| 238155-(168026-85571)=155700 | 548508-(9612+205809)=333087 |
| 294357+(398529+7114)=700000 | 608018+(795341-463000)=940359 |
| 568878+(1000000-730000)=838878 | 988732-(480000+70000)=438732 |
| 109988+(907298-405051)=612235 | 319983-(38000+24176)=257807 |
| 179597+(214507+570896)=965000 | 908004-(709229-142225)=341000 |
| 573319+(274241-52977)=794583 | 781686-(540000-200000)=441686 |
| 620517-(556830+55161)=8526 | 336980+(120000+145898)=602878 |
| 390000+(568251-345500)=612751 | 799732-(379530+96300)=323902 |
| 480000+(105617+119548)=705165 | 572583-(47977+324606)=200000 |
| 494940-(596725-501785)=400000 | 196766+(156432+355655)=708853 |
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