| -27608-(830780-348388)=-510000 | 473459+(-157000+83541)=400000 |
| 838249+(-734846+477600)=581003 | -519068+(-176000-0)=-695068 |
| 811367-(682024+500000)=-370657 | -534126+(806627-402501)=-130000 |
| -137329+(117011-500000)=-520318 | -279071+(-644228+563299)=-360000 |
| 460000-(-440989+636073)=264916 | -400725-(-487167-886625)=973067 |
| 350000+(-238404-634521)=-522925 | 245604-(-879000+824604)=300000 |
| -880000-(-215900-179321)=-484779 | -187300-(-742517+4699)=550518 |
| 778901+(430789-684713)=524977 | 816123-(567686+382816)=-134379 |
| -130000-(225803-453521)=97718 | -355283-(-958623+555500)=47840 |
| 641244-(-37221+453298)=225167 | 335002-(832412-127410)=-370000 |
| -475567-(37921+20171)=-533659 | 29178-(-453524-510912)=993614 |
| 370000+(1508-698658)=-327150 | -34677+(0-52960)=-87637 |
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