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Addition and subtraction

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  • 10 - 3 =
    7
  • 16 - 11 =
    5
  • 9 + 9 =
    18
  • 7+ 8 =
    15
  • 6+ 12 =
    18
  • 9 - 4 =
    5
  • 11- 6 =
    5
  • 11-9=
    2
  • 5 + 8 =
    13
  • 12 - 8 =
    4
  • 20 - 14 =
    6
  • 13+ 5 =
    18
  • 7 + 9 =
    16
  • 14 - 8 =
    6
  • 17 - 8 =
    9
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