| 450000-(731926-513563)=231637 | 477218+(799858-477076)=800000 |
| 423681+(680000-303681)=800000 | 428922-(100000+28922)=300000 |
| 687462-(317385-166923)=537000 | 748878+(687595-567321)=869152 |
| 568525-(730022-278722)=117225 | 230000+(530000+110000)=870000 |
| 493044-(831065-471181)=133160 | 942914-(630655-547741)=860000 |
| 709391-(26044+273937)=409410 | 893815-(589295+4520)=300000 |
| 555902-(816474-445535)=184963 | 157145+(602344+201921)=961410 |
| 370000+(638349-308349)=700000 | 359507+(342072+100000)=801579 |
| 896884-(414116+410000)=72768 | 575436+(288969+5595)=870000 |
| 693915-(180000+470733)=43182 | 294913+(670800-305713)=660000 |
| 188151+(93885+313207)=595243 | 191041+(69882+615372)=876295 |
| 592186-(16698+72234)=503254 | 573319+(274241-52977)=794583 |
