| 716541-(793414-329123)=252250 | 523368-(185989+88959)=248420 |
| 564120+(136986+118228)=819334 | 47007+(269625+175529)=492161 |
| 985518-(650000+335518)=0 | 968355-(11935+277002)=679418 |
| 781672-(412110-172263)=541825 | 254474+(40932+357470)=652876 |
| 800000-(333083-126536)=593453 | 694031+(829363-723394)=800000 |
| 300000+(211698+99701)=611399 | 551131+(373187-279930)=644388 |
| 837248-(254128+304322)=278798 | 261024+(820117-681141)=400000 |
| 575304-(110000+390291)=75013 | 825670-(765900-40230)=100000 |
| 420000-(10155+305845)=104000 | 27531+(118469+530000)=676000 |
| 604904+(622134-612061)=614977 | 450765+(181168+46067)=678000 |
| 19081+(642443-314288)=347236 | 466681-(928512-680390)=218559 |
| 515656-(411733-118077)=222000 | 208124+(754030-440703)=521451 |
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