| 42385+(324808+336227)=703420 | 831849-(226146+505703)=100000 |
| 162840-(851696-730679)=41823 | 669738+(87200+202979)=959917 |
| 109070+(900000-99070)=910000 | 36116+(214746+179138)=430000 |
| 994942-(472617+153626)=368699 | 1000000-(75949+865162)=58889 |
| 831958+(948761-831914)=948805 | 780500-(812264-55251)=23487 |
| 928859-(137337+520000)=271522 | 573300-(386730-126420)=312990 |
| 97529+(160000+130802)=388331 | 259242+(953998-698000)=515240 |
| 968355-(110713+770500)=87142 | 216845+(627223-224068)=620000 |
| 390000+(568251-345500)=612751 | 959691-(700000-512309)=772000 |
| 17103+(462202+280000)=759305 | 98637+(821174-249811)=670000 |
| 404196-(315140-279882)=368938 | 108933+(445409+166658)=721000 |
| 828172-(420000+369000)=39172 | 287566-(597294-409728)=100000 |
