Question

mdc de (100,120)?mdc (84,105)??

Answer 1

105/100,120/2
50,60/2
25,30/2
25,15/3
25,5/5
5,1 Mdc =2x2x5 = 20

Mdc = 20

B)

84,105/2
42,105/2
21,105/3
7,35/5
7,7/7
1,1 Mdc  7x3 = 21


Mdc 21