| -555308+(511188-540000)=-584120 | 830998-(820000-939002)=950000 |
| -785074-(-852071+654341)=-587344 | 718574+(955684-808996)=865262 |
| -775000-(890000-707911)=-957089 | -61635+(-915317+616952)=-360000 |
| 558706-(740441+733553)=-915288 | -700000+(-146457+75203)=-771254 |
| -438438-(-911621+78000)=395183 | 230000-(-495787-58134)=783921 |
| 257339+(-339038+140000)=58301 | -131769+(-29876-152743)=-314388 |
| 168591+(-240000-881591)=-953000 | 214037-(24835+458042)=-268840 |
| 460664+(-560000+706802)=607466 | -90640-(666000-56640)=-700000 |
| -305072-(453239-136710)=-621601 | 306368-(-288319+700000)=-105313 |
| -892802-(-345315-817999)=270512 | -261180-(490572+229976)=-981728 |
| -880625+(-366120+251776)=-994969 | 792842-(-310410+730000)=373252 |
| -137329+(117011-500000)=-520318 | 218369-(-427320-102894)=748583 |
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