Question

qual o mmc de 4,9 e 20

Answer 1

4,9,20  2
2,9,10  2
1,9,  5  3
1,3,  5  3
1,1,  5  5
1,1,  1

mmc(4,9,20) = 2^2.3^2.5 ==> 180

Answer 2

Vamos lá,

4, 9, 20 / 2
2, 9, 10 / 2
1, 9, 5 / 3
1, 3, 5 / 3
1, 1, 5 / 5
1, 1, 1

2 . 2 . 3 . 3 . 5 = 180


MMC {4, 9 e 20} = 180




Espero ter ajudado ^^