Resposta :
Mmc 16,20 20, 16 2 10 , 8 2
5 4 2
5 2 2
5 1 5
1 mmc(20,16)= 264 . 5 = 16.5==>80
mm 9,12
9, 12 2
9 6 2
9 3 3
3 1 3
1 mmc(9,12) = 2^2 . 3^2 = 4.9=36
5 4 2
5 2 2
5 1 5
1 mmc(20,16)= 264 . 5 = 16.5==>80
mm 9,12
9, 12 2
9 6 2
9 3 3
3 1 3
1 mmc(9,12) = 2^2 . 3^2 = 4.9=36
16, 20 | 2
8, 10 | 2
4, 5 | 2
2, 5 | 2
1, 5 | 5
1, 1 | 1
MMC = 2 . 2 . 2 . 2 . 5 = 80
9, 12 | 2
9, 6 | 2
9, 3 | 3
3, 1 | 3
1, 1 | 1
MMC = 2 . 2 . 3 . 3 = 36