| 623497-(875281-503403)=251619 | 190000+(141366+550100)=881466 |
| 740763-(30788+145954)=564021 | 990000-(638495-548495)=900000 |
| 384469+(384134+151074)=919677 | 113723+(574705-3747)=684681 |
| 800000-(348564+221436)=230000 | 113544+(496942+346514)=957000 |
| 353956+(723944-426797)=651103 | 203532+(789991-503523)=490000 |
| 596387-(365900+155462)=75025 | 312076+(880711-597021)=595766 |
| 788119-(613479-445360)=620000 | 830000-(198546+54075)=577379 |
| 508234-(489397-484163)=503000 | 752000-(262784+59216)=430000 |
| 748878+(687595-567321)=869152 | 8924+(278378+95558)=382860 |
| 542940+(386808+19386)=949134 | 436989-(164874+56751)=215364 |
| 366900-(694903-613705)=285702 | 60452+(324036+150384)=534872 |
| 164557+(680688-405731)=439514 | 141980-(138592-69150)=72538 |