Study

Addition & Subtraction

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  • 9 - 8 =
    1
  • 5 + 7 =
    12
  • 1 + 13 =
    14
  • 17 + 3 =
    20
  • 10 + 4 =
    14
  • 13 + 5 =
    18
  • 20 - 3 =
    17
  • 9 + 2 =
    11
  • 2 + 8 =
    10
  • 2 + 17 =
    19
  • 4 - 0 =
    4
  • 8 + 5 =
    13
  • 3 + 4 =
    7
  • 6 + 6 =
    12
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