Question

qual e mdc de12,18 e 20

Answer 1

12/2
6/2
3/3/
1 =2²x3

18/2
6/2
3/3
1      2²x3
20/2
10/2
5/5
1      2²x5      m.d.c (12,18 e 20) = 2²x3 = 4x3 = 12