| 932901-(266406+24302)=642193 | 510000-(75153+168813)=266034 |
| 857558+(58618-17592)=898584 | 621289+(196421+79884)=897594 |
| 371944+(268538-101469)=539013 | 359338+(76968+357854)=794160 |
| 31162+(243079+358964)=633205 | 107000+(209532+229250)=545782 |
| 567177+(497344-164521)=900000 | 423681+(680000-303681)=800000 |
| 1000000-(323000+160664)=516336 | 573300-(386730-126420)=312990 |
| 629673-(485119+44554)=100000 | 950000-(519358-200000)=630642 |
| 856328-(431361+188967)=236000 | 130000+(59000+230271)=419271 |
| 551131+(373187-279930)=644388 | 891551-(198410-135519)=828660 |
| 475461+(400000-146660)=728801 | 616582-(966870-774053)=423765 |
| 391392+(309537+282071)=983000 | 658338-(800000-341662)=200000 |
| 260000-(760023-717084)=217061 | 646989-(8607+508704)=129678 |
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