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Subtraction (Two digit with regrouping)

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  • 55-46=
    9
  • 33-14=
    19
  • 77-29=
    48
  • 42-23=
    19
  • 96-68=
    28
  • 81-52=
    29
  • 37-18=
    19
  • 24-15=
    9
  • 58-39
    19
  • 63-36=
    27
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