| 980000-(803830-310414)=486584 | 562727+(829183-578472)=813438 |
| 791065-(743724-99236)=146577 | 958162-(398205-185405)=745362 |
| 734851-(209258+200000)=325593 | 962352-(724057+77059)=161236 |
| 658191-(609293-571102)=620000 | 430000+(703562-191954)=941608 |
| 386429+(346729+147147)=880305 | 200000-(221503-202248)=180745 |
| 469644-(183201+81899)=204544 | 167805+(100000+94684)=362489 |
| 1000000-(234424+365576)=400000 | 121060+(600000-361060)=360000 |
| 750413+(100000+115106)=965519 | 276771+(448708-28281)=697198 |
| 714780-(226584+488196)=0 | 868696-(864007-458311)=463000 |
| 389454+(514562-82112)=821904 | 39100+(537262+416858)=993220 |
| 303144+(310000+21627)=634771 | 701021+(947551-822309)=826263 |
| 940000-(166660+549270)=224070 | 513419+(144529+142052)=800000 |