Question

qual o m.m.c de 20 25 e 15 ?

Answer 1

20,25,15| 2 
10,25,15| 2
  5,25,15| 5
      1,5,3| 3
       1,51| 5   
       1,1,1     2.2 = 4.5 = 20.3 = 60.5= 300  

Answer 2

20,25,15/2        M.M.C(20,25,15)=2*2*3*5*5=300
10,25,15/2
5,25,15/3
5,25,5/5
1,5,1/5
1,1,1