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Two-Digit Adding and Subtracting

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  • 44 - 21
    23
  • 10 + 10
    20
  • 60 + 10
    70
  • 24 -15
    9
  • 48 + 25
    73
  • 98 - 35
    63
  • 78 - 49
    29
  • 17 + 39
    56
  • 11 - 11
    0
  • 24 + 76
    100
  • 87 - 50
    37
  • 72 - 39
    33
  • 68 + 10
    78
  • 58 - 32
    26
  • 35 + 55
    90
  • 2 - 0
    2
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