| 385081-(142470+144344)=98267 | 388058+(830000-358000)=860058 |
| 464963+(3950+426784)=895697 | 314352+(318510+157138)=790000 |
| 597969-(431647-213678)=380000 | 60000+(78561-37685)=100876 |
| 228783+(474177-463673)=239287 | 453640+(236886+139474)=830000 |
| 257428-(626309-548915)=180034 | 61379+(115525+11045)=187949 |
| 994942-(472617+153626)=368699 | 987925-(471953-380000)=895972 |
| 968355-(110713+770500)=87142 | 95869+(515162+180959)=791990 |
| 379454+(890361-366815)=903000 | 14241+(179400-58641)=135000 |
| 960000-(536904+314647)=108449 | 657648-(1000000-387406)=45054 |
| 815915-(200000+215915)=400000 | 133988+(183125+567158)=884271 |
| 203000+(668366-36486)=834880 | 612109-(443300-281191)=450000 |
| 250786-(302270-254786)=203302 | 903470-(123170+500000)=280300 |
