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Plus, minus - 10

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