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11 September, 13:49

Pattern rule for 3,9,7,21,19,57,55

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Answers (2)
  1. 11 September, 13:58
    0
    The pattern would be times 3, minus 2
  2. 11 September, 14:06
    0
    X 3, - 2

    times 3, minus 2
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