| 400000-(384000-174000)=190000 | 433893-(176447+89681)=167765 |
| 740404-(623210-107145)=224339 | 800000-(333083-126536)=593453 |
| 882100-(500428-79494)=461166 | 380185+(782812-396122)=766875 |
| 958263-(400798+215733)=341732 | 431853+(738372-401507)=768718 |
| 517112+(807624-484736)=840000 | 29443+(909800-765923)=173320 |
| 740763-(30788+145954)=564021 | 379454+(890361-366815)=903000 |
| 981513-(120504+181953)=679056 | 389742+(10000+400258)=800000 |
| 110900+(544007+171446)=826353 | 596172-(403080+78019)=115073 |
| 456333-(253506+167000)=35827 | 67759+(350672+60697)=479128 |
| 675979+(92740+221281)=990000 | 81971+(480000+129674)=691645 |
| 326743+(723796-450539)=600000 | 200000+(72999+325767)=598766 |
| 78612-(793407-714795)=0 | 55491-(367337-340000)=28154 |
