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2-Digit Addition and Subtraction

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  • 55-13
    42
  • 52+43
    95
  • 10-6
    4
  • 11+5+9
    25
  • 36+7+4
    47
  • 36-17
    19
  • 29-17
    12
  • 22 + 6
    28
  • 31+28
    59
  • 15+23
    38
  • 82-21
    61
  • 4+16+5
    25
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