| 979904-(610494-240590)=610000 | 902318-(64831+310000)=527487 |
| 294913+(670800-305713)=660000 | 704641-(78148+333700)=292793 |
| 564120+(136986+118228)=819334 | 261024+(820117-681141)=400000 |
| 591442+(968369-749811)=810000 | 990000-(638495-548495)=900000 |
| 540000+(452303-294123)=698180 | 100000+(218679+42978)=361657 |
| 984657-(200000+84657)=700000 | 700837-(863932-319111)=156016 |
| 271712-(573723-517108)=215097 | 820272-(488661-268389)=600000 |
| 458278+(68467+93566)=620311 | 326756+(425481+16338)=768575 |
| 342000-(5220+220000)=116780 | 7400+(328332-49863)=285869 |
| 167627+(359986+92387)=620000 | 320547+(977998-893845)=404700 |
| 893815-(589295+4520)=300000 | 830000-(226335+131233)=472432 |
| 207267+(275700+69033)=552000 | 295196-(486408-288691)=97479 |
