Explicação passo-a-passo:
a) MDC (18,60)
18,60/2✓
9,15/3✓
3,5/3
1,5/5
1,1
2×3=6
b) MDC (30, 15)
30,15/2
15,15/3✓
5,5/5✓
1,1
3×5=15
c) MDC (24,48)
24,48/2✓
12,24/2✓
6,12/2✓
3,6/3
3,3/3✓
1,1
2³×3=24
d) MDC (12, 36)
12,36/2✓
6,18/2✓
3,9/3✓
1,3/3
1,1
2²×3=12
e) MDC (23, 21)
23,21/3
23,7/7
23,1/23
1,1
mdc 1
f) MDC (80,25)
80,25/2
40,25/2
20,25/2
10,25/2
5,25/5✓
1,5/5
1,1
mdc 5
g) MDC (6, 18, 30)
6,18,30/2✓
3,9,15/3✓
1,3,5/3
1,1,5/5
1,1,1
2×3=6
h) MDC (36, 90).
36,90/2✓
18,45/2
9,45/3✓
3,15/3✓
1,5/5
1,1
2×3²=18
