| 830492-(531879-370233)=668846 | 27531+(118469+530000)=676000 |
| 26000+(92178+631822)=750000 | 860000-(377852+172148)=310000 |
| 997926-(398548+461542)=137836 | 180000-(910000-903656)=173656 |
| 943364-(552021+82404)=308939 | 614738-(770000-685262)=530000 |
| 328632+(927065-525697)=730000 | 740763-(30788+145954)=564021 |
| 800000-(413201-94775)=481574 | 250786-(302270-254786)=203302 |
| 29405+(175539+521130)=726074 | 494159-(374129+20833)=99197 |
| 375031+(645707-282659)=738079 | 343936+(460885-174068)=630753 |
| 83336-(386563-317486)=14259 | 809522+(780000-616385)=973137 |
| 710000-(2806+700000)=7194 | 190000+(75970+718100)=984070 |
| 444957+(85679+43806)=574442 | 876917+(344387-251304)=970000 |
| 350239+(155607+257080)=762926 | 4270+(588872-6267)=586875 |
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