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  • 16 – 8 = ?
    8
  • 13 – 6 = ?
    7
  • 12 – 4 = ?
    8
  • 18 – 9 =?
    9
  • 11 – 2 = ?
    9
  • 17 – 8 = ?
    9
  • 12 – 3 = ?
    9
  • 15 - 7 = ?
    8
  • 14 – 5 = ?
    9
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