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  • 30 + 30 =
    60
  • 5 + 0 =
    5
  • 1 + 1 =
    2
  • 10 + 10 =
    20
  • 1 + 5 =
    6
  • 1+ 8 =
    9
  • 1 + 6 =
    7
  • 15 + 11 =
    26
  • 11 + 11 =
    22
  • 20 + 20 =
    40
  • 1 + 5 =
    6
  • 11 + 13 =
    24
  • 2 + 2 =
    4
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