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one more/ one less

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  • what is one more than 19?
    20
  • what is one more than 5?
    6
  • what is one less than 17?
    16
  • what is one more than 1?
    2
  • what is one less than 19?
    18
  • what is one less than 14?
    13
  • what is one more than 12?
    13
  • what is one less than 20?
    19
  • what is one more than 15?
    16
  • what is one less than 9?
    8
  • what is one more than 17?
    18
  • what is one less than 12?
    11
  • what is one less than 2?
    1
  • what is one less than 10?
    9
  • what is one less than 3?
    2
  • what is one more than 16?
    17
  • what is one more than 20?
    21
  • what is one less than 7?
    6
  • what is one less than 18?
    17
  • what is one less than 13?
    12
  • what is one more than 9?
    10
  • what is one more than 11?
    12
  • what is one more than 13?
    14
  • what is one more than 10?
    11
  • what is one less than 1?
    0
  • what is one more than 8?
    9
  • what is one more than 4?
    5
  • what is one less than 4?
    3
  • what is one less than 11?
    10
  • what is one more than 2?
    3
  • what is one more than 14?
    15
  • what is one more than 3?
    4
  • what is one less than 15?
    14
  • what is one less than 8?
    7
  • what is one less than 5?
    4
  • what is one less than 16?
    15
  • what is one more than 18?
    19
  • what is one more than 6?
    7
  • what is one less than 6?
    5
  • what is one more than 7?
    8
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