Study

2-Digit Addition and Subtraction

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  • 82-21
    61
  • 29+24
    53
  • 31+28
    59
  • 55-13
    42
  • 17+15
    32
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  • 41-18
    23
  • 10-6
    4
  • 4+16+5
    25
  • 29-17
    12
  • 73-69
    4
  • 36-17
    19
  • 15+23
    38
  • 58+36
    94
  • 52+43
    95
  • 60-22
    38