| -50400-(200000-550400)=300000 | -255150-(334600+85310)=-675060 |
| -800000-(-587334+537334)=-750000 | -77340-(671919-466100)=-283159 |
| -565706+(-577303+793009)=-350000 | 885035+(-686618+800000)=998417 |
| -390000-(-755507+131029)=234478 | -140273-(141347+358159)=-639779 |
| 721348-(659244+302104)=-240000 | 813098-(625587+890000)=-702489 |
| 255819-(-160000+815819)=-400000 | 25608+(-347407+203412)=-118387 |
| 57322-(-646176-166502)=870000 | 391583+(-20479-992425)=-621321 |
| 380000-(-441417+491417)=330000 | -657084+(-43194-99722)=-800000 |
| 619983+(363804-612366)=371421 | 188958-(954945-581681)=-184306 |
| 344600+(-157564-97036)=90000 | -626506+(-369317+243935)=-751888 |
| 447591+(80000-821042)=-293451 | -304007-(-412979+23305)=85667 |
| 811044-(256625-311104)=865523 | -72510-(-100000-136510)=164000 |
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