| 523368-(185989+88959)=248420 | 968916-(671566+183000)=114350 |
| 891551-(198410-135519)=828660 | 527247+(523969-420000)=631216 |
| 579527+(41872+179482)=800881 | 60452+(324036+150384)=534872 |
| 791527-(99407+72321)=619799 | 891331-(349916+16777)=524638 |
| 875733-(411867-135320)=599186 | 40243+(287989+660246)=988478 |
| 554966+(25963+63025)=643954 | 167046+(746901-140000)=773947 |
| 278234+(736077-714739)=299572 | 800000-(281393+18607)=500000 |
| 19081+(642443-314288)=347236 | 712892-(292766+172882)=247244 |
| 441518-(398680-211518)=254356 | 657939-(534920-200000)=323019 |
| 743887-(775422-458070)=426535 | 15951+(264347+568754)=849052 |
| 564120+(136986+118228)=819334 | 259242+(953998-698000)=515240 |
| 604904+(622134-612061)=614977 | 258938-(506096-280979)=33821 |