| 777900+(494161-272061)=1000000 | 69626+(328746+139309)=537681 |
| 1000000-(75949+865162)=58889 | 701567+(117260+173000)=991827 |
| 995795-(292740+403683)=299372 | 752000-(262784+59216)=430000 |
| 431409-(897089-788298)=322618 | 299490-(899988-692270)=91772 |
| 537588-(9312+512276)=16000 | 302376+(770000-662711)=409665 |
| 180791+(697051+45775)=923617 | 106996+(312160+80844)=500000 |
| 230513-(301100-120000)=49413 | 407581+(754000-400000)=761581 |
| 607190+(819197-699453)=726934 | 61797+(576746+126457)=765000 |
| 146820+(152478+571887)=871185 | 700000-(252326-59920)=507594 |
| 381783+(690250-172869)=899164 | 500000+(862591-372591)=990000 |
| 620808-(841452-497371)=276727 | 606478-(696645-490167)=400000 |
| 886600-(630370+256230)=0 | 783999-(123629+266776)=393594 |
