| 71161+(142949+335890)=550000 | 193907-(807452-761813)=148268 |
| 581204+(859969-474000)=967173 | 131748+(402239+226013)=760000 |
| 800000-(220000+567390)=12610 | 389417-(167115-92107)=314409 |
| 571494-(940000-483275)=114769 | 369561-(200740+68821)=100000 |
| 875733-(411867-135320)=599186 | 871885-(294949+176936)=400000 |
| 748878+(687595-567321)=869152 | 109988+(907298-405051)=612235 |
| 1000000-(75949+865162)=58889 | 790000+(571461-561461)=800000 |
| 890986-(834670-332668)=388984 | 315453-(62895+70565)=181993 |
| 285986+(965165-710000)=541151 | 97529+(160000+130802)=388331 |
| 908004-(709229-142225)=341000 | 828172-(420000+369000)=39172 |
| 253517+(94694+251789)=600000 | 102764+(267423+79003)=449190 |
| 431853+(738372-401507)=768718 | 8636+(473586+473629)=955851 |
