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15 August, 10:57

What is the GFC of 12 and 21?

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Answers (2)
  1. 15 August, 12:49
    0
    The answer to the question is 3
  2. 15 August, 12:58
    0
    12 = 2^2*3

    21 = 3*7

    Gcf = 3
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