| 800000-(281393+18607)=500000 | 957543+(300000-287543)=970000 |
| 359910+(283000+135673)=778583 | 427147-(632422-315995)=110720 |
| 890789-(930000-800000)=760789 | 9143+(844461+6396)=860000 |
| 693288-(291033-194843)=597098 | 748878+(687595-567321)=869152 |
| 251476+(362011+210000)=823487 | 223589+(881758-359347)=746000 |
| 373130+(78842+142945)=594917 | 793943-(208968+281975)=303000 |
| 142507+(918370-300877)=760000 | 985549-(325013+541858)=118678 |
| 930000-(427070-93892)=596822 | 799304-(179900+537163)=82241 |
| 682948+(770823-534882)=918889 | 230671+(1000000-237671)=993000 |
| 720000-(90459-31736)=661277 | 892204-(247516+538410)=106278 |
| 841051-(622242+138570)=80239 | 55662+(352438+395103)=803203 |
| 307871-(410000-232129)=130000 | 9328+(34699+192138)=236165 |
