Respostas

2014-07-15T16:29:05-03:00
45 l 3
15 l 3
5 l 5
1

12 l 2
6 l 2
3 l 3
1

Fatores iguais: 3... mdc de 45, 12 = 3
4 3 4
2014-07-15T16:33:20-03:00
45 12=2\   2
45  6=2 /
45  3=3\
15 1=3/  3
5 1=5
1 1=== 5x3x2=30
2 5 2