| 836811-(273683+479027)=84101 | 1000000-(357956-226522)=868566 |
| 870971-(567015+104567)=199389 | 529168+(722221-280149)=971240 |
| 410000+(830781-564719)=676062 | 623954-(800530-412455)=235879 |
| 714396-(160000+270000)=284396 | 447979+(136325+70696)=655000 |
| 614738-(770000-685262)=530000 | 344708-(900000-805292)=250000 |
| 567218+(76141+6641)=650000 | 770000+(495357-397600)=867757 |
| 532989+(540000-292989)=780000 | 135116+(663957+65588)=864661 |
| 912018-(20938+607300)=283780 | 267465-(582155-526657)=211967 |
| 670000-(230000+340000)=100000 | 227609+(377085-210000)=394694 |
| 990515-(197842+612793)=179880 | 127247+(549200+23168)=699615 |
| 24793+(157578+706104)=888475 | 211000+(19646+682020)=912666 |
| 164000+(962042-512729)=613313 | 554708-(316143-203360)=441925 |