| 288016-(215409-79950)=152557 | 73057+(740553-474521)=339089 |
| 817425-(298598+458827)=60000 | 747390-(552560+119949)=74881 |
| 185957+(370077+96966)=653000 | 464963+(3950+426784)=895697 |
| 900000-(171000+219000)=510000 | 900000-(287034+292966)=320000 |
| 48175+(758909-662800)=144284 | 198557-(187607-10508)=21458 |
| 697000-(781351-370087)=285736 | 161668+(9292+248838)=419798 |
| 322538+(737910-184448)=876000 | 84739+(517528-382267)=220000 |
| 388058+(830000-358000)=860058 | 679276-(609419-238420)=308277 |
| 781911+(43747+130200)=955858 | 375379+(86630+170938)=632947 |
| 687462-(317385-166923)=537000 | 297668+(976987-628447)=646208 |
| 950000-(199869+350131)=400000 | 122045+(218950+144599)=485594 |
| 815915-(200000+215915)=400000 | 805958-(126800-43340)=722498 |