Question

qual o m.m.c de 10,20

Answer 1

10 , 20 | 2
 5 , 10 | 2
 5 , 5 | 5
 1 , 1 |______________________
          2² . 5 = 2 . 2 . 5 = 4 . 5 = $\boxed{20}.$

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