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Addition: Counting On

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  • 2 + 21
    23
  • 2 + 16
    18
  • 1 + 9
    10
  • 2 + 119
    121
  • 99 + 3
    102
  • 34 + 5
    39
  • 18 + 2
    20
  • 3 + 126
    129
  • 3 + 55
    58
  • 77 + 3
    80
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