| 320547+(977998-893845)=404700 | 300253-(225014-224761)=300000 |
| 868148-(383008+435983)=49157 | 271280-(688534-537254)=120000 |
| 566000-(987116-804694)=383578 | 641393-(834972-566391)=372812 |
| 188303+(856885-600000)=445188 | 641660-(400000+210231)=31429 |
| 940000-(406639-281025)=814386 | 277714+(72818+514959)=865491 |
| 367456-(100000-26718)=294174 | 448461+(177210+335707)=961378 |
| 690371-(61536+28835)=600000 | 155729+(961086-726815)=390000 |
| 276771+(448708-28281)=697198 | 300000+(211698+99701)=611399 |
| 180791+(697051+45775)=923617 | 567218+(76141+6641)=650000 |
| 978950-(17799+231151)=730000 | 3015+(676670-322015)=357670 |
| 532989+(540000-292989)=780000 | 783999-(123629+266776)=393594 |
| 968916-(671566+183000)=114350 | 97993+(248032+334200)=680225 |
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