Subtracting 9

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  • 9 - 9 = 0
  • 10 - 9 = 1
  • 11 - 9 = 2
  • 12 - 9 = 3
  • 13 - 9 = 4
  • 14 - 9 = 5
  • 15 - 9 = 6
  • 16 - 9 = 7
  • 17 - 9 = 8
  • 18 - 9 = 9
  • 19 - 9 = 10
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What is 16 - 9 =

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