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4 digit addition

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  • 4569 + 3456
    8025
  • 2345 + 4210
    6555
  • 5123 + 1234
    6357
  • 6754 + 8927
    15681
  • 5678 + 7894
    13572
  • 1432 + 6543
    7975
  • 9876 + 4321
    14197
  • 3421 + 4567
    7988
  • 6785 + 8967
    15752
  • 1234 + 2312
    3546
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