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Family one digit rules

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  • 6+8+1+9+4-3-2+6+1+9=
    39
  • 5+9-8-1+9-1+5-4-9+4=
    9
  • 6-4+3-1-2+6+6+7+8+6=
    35
  • 5+9-2-1-1-2+6-9+8+1=
    14
  • 8-1-4+3+8-9+1+7-3-4=
    6
  • 7+8+9+2+7+4-2-2+4+4=
    41
  • 6+3-2+5-6+8-9-1+3-2=
    5
  • 6+9+8+2-4+7+4+3+7+7=
    49
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