| 618517-(387337-359366)=590546 | 885067-(-31079-4000)=920146 |
| -654832+(-190000+492442)=-352390 | -870000-(458965-575200)=-753765 |
| -542735+(-84774-283431)=-910940 | -438438-(-911621+78000)=395183 |
| -123196-(869066-572262)=-420000 | -311255-(110000+539145)=-960400 |
| -640740-(202113-442853)=-400000 | -578372+(-950000+788372)=-740000 |
| 476300+(-865396-510904)=-900000 | -350468+(-231710-230381)=-812559 |
| 197675-(887325-241897)=-447753 | -838487-(-816757-241730)=220000 |
| 77471-(-308242-83752)=469465 | 157757-(-789546+772849)=174454 |
| 618359+(-388440-789919)=-560000 | -860528-(-710000-808404)=657876 |
| 89019-(263214+468097)=-642292 | 866712-(760982+924273)=-818543 |
| 401328+(364586-530000)=235914 | -603424+(724259-255192)=-134357 |
| -600000+(600000-170517)=-170517 | 345955-(-81816-202229)=630000 |
