| 157145+(602344+201921)=961410 | 806372-(343327+234045)=229000 |
| 84739+(517528-382267)=220000 | 285293+(326337-190000)=421630 |
| 801907+(307560-113300)=996167 | 365031-(10475+97556)=257000 |
| 146472+(149245+104283)=400000 | 542541+(270000+144020)=956561 |
| 180000-(469061-369061)=80000 | 858652-(142112-93460)=810000 |
| 569002+(43721+380388)=993111 | 140000+(136254+485503)=761757 |
| 565123+(568122-370000)=763245 | 988964-(368318+620646)=0 |
| 470000-(852400-690006)=307606 | 1000000-(408233+138379)=453388 |
| 166324+(310000+273676)=750000 | 819638-(400000+152799)=266839 |
| 780000+(711715-677000)=814715 | 250190-(989847-949657)=210000 |
| 868696-(864007-458311)=463000 | 520000+(735505-585505)=670000 |
| 737850-(230000+248600)=259250 | 373213-(443000-112582)=42795 |