Question

Qual é o mdc de 90 e 108 ????

Answer 1

divisores 

90 e 108

90 = 1,2,3,5,6,9,10,15,18,30,45,90
108 = 1,2,3,4,6,9,12,18,27,36,54,108

logo o mdc = 18

90 e 108 / 2
45 e   54 / 3
15 e   18 / 3
05 e   06 / 

2*3*3 = 18