| -107000+(702793-949700)=-353907 | -759765+(350000+209765)=-200000 |
| 487417+(510000-940345)=57072 | -9200-(-345204-520000)=856004 |
| -816732-(-269996-46736)=-500000 | 450282-(-116279+10547)=556014 |
| 411038-(-343719-169984)=924741 | -775000-(890000-707911)=-957089 |
| 147239+(-178542+684211)=652908 | -86565-(-943469+839067)=17837 |
| -228546+(-236634-26192)=-491372 | -52036+(-874475+460680)=-465831 |
| 152574+(-642285-410253)=-899964 | 676000-(637108+720000)=-681108 |
| -700000-(-402114+512114)=-810000 | 394980-(-10095-445594)=850669 |
| 404077+(-103563+670929)=971443 | -308961+(-210000+908961)=390000 |
| -207188-(400000+287679)=-894867 | 300586-(623679+504093)=-827186 |
| -247085-(722576-127733)=-841928 | 365973-(816000-230027)=-220000 |
| 21829+(-373000+507171)=156000 | -687503+(-236141+126960)=-796684 |