Question

Determine
A mdc (8,10)
B mdc (40, 50)
C mdc (9,12,15)
D mdc (16,56,80)

Answer 1

a = 2
b = 10
c= 3
d=8
Lhe desejo muita sorte 

Answer 2

a) 
8,10/2 
4,5/2
2,5/2
1.5/1
1,1
R:MDC=2

b)
40,50/2
20,25/2
10,25/2
5,25/5
1,5/5
1.1
R:MDC= 10

c)
9,12,15/2
9,6,15/2
9,3,15/3
3,1,5/3
1,1,5/5
1,1,1
R:MDC=3

d)
16,56,80/2
8,28,40/2
4,14,20/2
2,7,10/2
1,7,5/5
1,7,1/7
1,1,1
R:MDC=6