| 525283-(758634-710853)=477502 | 779651-(530000+135825)=113826 |
| 300000+(575155+22845)=898000 | 591442+(968369-749811)=810000 |
| 451989+(452630+44877)=949496 | 938439-(343783-269866)=864522 |
| 668291-(399589-118672)=387374 | 119582+(701530-681112)=140000 |
| 419000+(780000-550609)=648391 | 110632+(788897+7382)=906911 |
| 819638-(400000+152799)=266839 | 497978+(912666-750356)=660288 |
| 279500-(377590-328090)=230000 | 20578+(87836+247193)=355607 |
| 430580+(6632+276620)=713832 | 557468-(46990+164665)=345813 |
| 746345-(201072+355273)=190000 | 367456-(100000-26718)=294174 |
| 153374-(37107+33585)=82682 | 527014+(669685-360292)=836407 |
| 157145+(602344+201921)=961410 | 42233+(627500-71276)=598457 |
| 307871-(410000-232129)=130000 | 717631-(513311+37568)=166752 |
