| -316264+(-17000+200000)=-133264 | 224551-(279145-40000)=-14594 |
| 272762+(956667-370508)=858921 | 308700+(-585525-601975)=-878800 |
| -711178+(918981-68254)=139549 | 638861-(824748-913883)=727996 |
| -505697+(419053-92550)=-179194 | -47823-(160832+189692)=-398347 |
| -290000+(-261000-330000)=-881000 | 351252-(-133248+384500)=100000 |
| 989994+(398412-918406)=470000 | -330653-(450878-603249)=-178282 |
| -368272-(-110000-177272)=-81000 | 360671+(-312462+326393)=374602 |
| -422985+(-330000-242427)=-995412 | -41920-(391616-890000)=456464 |
| 571762-(-518639+132260)=958141 | -880000-(-215900-179321)=-484779 |
| -223274+(-690000+298600)=-614674 | 181700+(-621258+699558)=260000 |
| 960000+(-121918-980977)=-142895 | -240000-(-481743+865743)=-624000 |
| 933724-(-100000+315549)=718175 | 892382-(63135+44223)=785024 |
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