| 978950-(17799+231151)=730000 | 770000+(495357-397600)=867757 |
| 830167+(118225+5600)=953992 | 774932-(843830-193749)=124851 |
| 732635-(488802+155833)=88000 | 400000+(126165+25649)=551814 |
| 200400+(823168-252991)=770577 | 155729+(961086-726815)=390000 |
| 43877-(160356-159176)=42697 | 916642-(275508+408557)=232577 |
| 142507+(918370-300877)=760000 | 81750+(615293+60000)=757043 |
| 130395+(668713+154514)=953622 | 350239+(155607+257080)=762926 |
| 430000+(703562-191954)=941608 | 222069+(162931+521766)=906766 |
| 791527-(99407+72321)=619799 | 678681+(1000000-726046)=952635 |
| 693288-(291033-194843)=597098 | 934367-(383237+374130)=177000 |
| 907661-(443205+302537)=161919 | 373766-(900000-888813)=362579 |
| 571494-(940000-483275)=114769 | 921071-(653593-244984)=512462 |
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