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Basic maths to 20 addition subtraction

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  • 8+12=
    20
  • 16-14=
    2
  • 15+3=
    18
  • 6+11=
    17
  • 20-14=
    6
  • 2+15=
    17
  • 9+7=
    16
  • 19-9=
    10
  • 12-3=
    9
  • 15-8=
    7
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