| 363539-(812856+50683)=-500000 | -762000+(810000-28000)=20000 |
| 9038-(-538990-401462)=949490 | -722183+(-123647-0)=-845830 |
| 679907+(-796090-860000)=-976183 | 135317-(-250000+825317)=-440000 |
| 939230+(-930000+768619)=777849 | -727110-(-471000-396110)=140000 |
| -20946-(-223100+1000000)=-797846 | 650000+(-270000-690000)=-310000 |
| -657084+(-43194-99722)=-800000 | -570219+(462302-292083)=-400000 |
| -838487-(-816757-241730)=220000 | 748209+(830000-802054)=776155 |
| -267142-(448188+110000)=-825330 | 214037-(24835+458042)=-268840 |
| -269853+(0+177428)=-92425 | 137625-(-114754-30371)=282750 |
| 57322-(-646176-166502)=870000 | -825964-(-790000-0)=-35964 |
| 151030+(507400-843697)=-185267 | 225448+(-338769+856728)=743407 |
| -391523+(-126000+31501)=-486022 | -68439-(465669+0)=-534108 |
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