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Add and Subtract to 20

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  • 3 + 5 =
    8
  • 16 + 2 =
    18
  • 8 + 8 
    16
  • 9 + 4 =
    13
  • 5 + 8 =
    13
  • 5 + 5 =
    10
  • 9 + 7 =
    16
  • 7 + 8 =
    15
  • 18 + 1 =
    19
  • 5 + 10 =
    15
  • 10 + 7 =
    17
  • 9 + 5 =
    14
  • 20 + 0
    20
  • 4 + 4 =
    8
  • 5 + 2 =
    7
  • 8 + 2 =
    10
  • 3 + 2 =
    5
  • 6+4=
    10
  • 8 + 8 =
    16
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