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  • 4 + 2 =
    6
  • 2 + 7 =
    9
  • 7 + 7 =
    14
  • 6 + 4 =
    10
  • 6 + 0 =
    6
  • 4 + 2 =
    6
  • 5 + 5 =
    10
  • 2 + 2 =
    4
  • 9 + 4 =
    13
  • 4 + 7 =
    11
  • 10 + 7 =
    17
  • 4 + 1 =
    5
  • 12 + 5 =
    17
  • 0 + 0 =
    0
  • 10 + 10 =
    20
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