| 117000-(377200-260200)=0 | 979904-(610494-240590)=610000 |
| 19989+(575448-79056)=516381 | 604904+(622134-612061)=614977 |
| 722993-(30597+638900)=53496 | 740763-(30788+145954)=564021 |
| 740000-(40000+447509)=252491 | 516868+(753558-619076)=651350 |
| 623497-(875281-503403)=251619 | 890000-(318225-202855)=774630 |
| 162881+(456119+359852)=978852 | 110900+(544007+171446)=826353 |
| 786158-(197529-116500)=705129 | 525802+(30972+293226)=850000 |
| 47858+(948449-660000)=336307 | 704641-(78148+333700)=292793 |
| 335564+(229145+131919)=696628 | 543708-(336673+141930)=65105 |
| 229396-(333387-132258)=28267 | 252663+(284027+342310)=879000 |
| 164557+(680688-405731)=439514 | 349589+(780693-490000)=640282 |
| 895396-(450227+69269)=375900 | 355963+(210000+87903)=653866 |