| 645977-(508010-462033)=600000 | 25687+(170609+493704)=690000 |
| 614276-(261777-217501)=570000 | 675700-(249617+360072)=66011 |
| 436936+(204103-201039)=440000 | 931164-(22355+908809)=0 |
| 877721-(48147+250000)=579574 | 300000-(106735-97515)=290780 |
| 61967+(828933+82884)=973784 | 95177+(148958+213038)=457173 |
| 800000+(640000-495493)=944507 | 748878+(687595-567321)=869152 |
| 886060-(184027+402033)=300000 | 167627+(359986+92387)=620000 |
| 477218+(799858-477076)=800000 | 257103+(698184-354524)=600763 |
| 384469+(384134+151074)=919677 | 928429-(366899-338470)=900000 |
| 412961-(216091-200000)=396870 | 613228-(329000+114228)=170000 |
| 306905+(862793-336579)=833119 | 958263-(400798+215733)=341732 |
| 279500-(377590-328090)=230000 | 567218+(76141+6641)=650000 |
