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  • 12 + _ = 14
    12 + 2 = 14
  • 1 + _ = 6
    1 + 5 = 6
  • 4 + _ = 8
    4 + 4 = 8
  • 2 + _ = 9
    2 + 7 = 9
  • 1 + _ = 11
    1 + 10 = 11
  • 3 + _ = 7
    3 + 4 = 7
  • 1 + _ = 3
    1 + 2 = 3
  • 9 + _ = 10
    9 + 1 = 10
  • 4 + _ = 5
    4 + 1 = 5
  • 5 + _ = 10
    5 + 5 = 10
  • 4 + _ = 6
    4 + 2 = 6
  • 8 + _ = 15
    8 + 7 = 15
  • 7 + _ = 13
    7 + 6 = 13
  • 5 + _ = 8
    5 + 3 = 8
  • 6 + _ = 12
    6 + 6 = 12
  • 7 + _ = 9
    7 + 2 = 9
  • 2 + _ = 5
    2 + 3 = 5
  • 11 + _ = 14
    11 + 3 = 14
  • 2 + _ = 7
    2 + 5 = 7
  • 1 + _ = 8
    1 + 7 = 8
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