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Addition w/ Regrouping & Subtraction w/o

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  • 45 + 45 =
    90
  • 65 - 22 =
    43
  • 99 - 47 =
    52
  • 28 + 35 =
    63
  • 66 - 33 =
    33
  • 46 - 32 =
    14
  • 56 + 39 =
    95
  • 38 - 17 =
    21
  • 36 + 46 =
    82
  • 66 + 27 =
    93
  • 41 - 41 =
    0
  • 11 + 19 =
    30
  • 23 - 2
    21
  • 24 - 11 =
    13
  • 45 + 89 =
    134
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