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subtraction up to 10

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  • 9-8=
    1
  • 9-2=
    7
  • 6-3=
    3
  • 7-4=
    3
  • 10-4=
    6
  • 8-7=
    1
  • 5-1=
    4
  • 8-6=
    2
  • 4-2=
    2
  • 10-8=
    2
  • 7-4=
    3
  • 6-6=
    0
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