| -341720-(143883+210238)=-695841 | -769965+(-578219+797343)=-550841 |
| -961235+(400208-106077)=-667104 | -250439-(280307-115356)=-415390 |
| 870664+(-138420-463309)=268935 | 288581+(907091-563228)=632444 |
| 676761-(630000+451390)=-404629 | -22240+(-124242-369578)=-516060 |
| 246386-(941133-388835)=-305912 | 187985+(-107090-668344)=-587449 |
| -338099+(-320000-171901)=-830000 | 711068-(520707+190361)=0 |
| 866806+(-785762+337452)=418496 | 322675-(52886-333185)=602974 |
| -586717-(14391+321362)=-922470 | -355682-(-474600+796294)=-677376 |
| -149585-(-92899+594496)=-651182 | 428872+(-750076+467241)=146037 |
| -210581-(857714-810000)=-258295 | 271616-(-90626-240000)=602242 |
| 306368-(-288319+700000)=-105313 | 916274-(-51408+676110)=291572 |
| -22507+(-973013+678520)=-317000 | -702417-(-332100+189683)=-560000 |
