| 612109-(443300-281191)=450000 | 942499-(82409+370090)=490000 |
| 12503+(562543+392695)=967741 | 942914-(630655-547741)=860000 |
| 910000-(995913-100000)=14087 | 783999-(123629+266776)=393594 |
| 780894+(145622-45991)=880525 | 701021+(947551-822309)=826263 |
| 456366-(534895-523000)=444471 | 566000-(987116-804694)=383578 |
| 904024-(76166+528987)=298871 | 861833-(120340+641493)=100000 |
| 737850-(230000+248600)=259250 | 336980+(120000+145898)=602878 |
| 743887-(775422-458070)=426535 | 175635+(688590-422388)=441837 |
| 51182+(464749+441069)=957000 | 509650+(251744+187600)=948994 |
| 501041+(786649-690000)=597690 | 837822+(150358+9914)=998094 |
| 693915-(180000+470733)=43182 | 564318+(155896+24154)=744368 |
| 100848+(500000-300848)=300000 | 665766+(844969-806715)=704020 |
