Question

a) mcm entre 3, 9, 19
b) mcm entre 4, 9, 5

Answer 1

B)

4, 5, 9 | 2

2, 5, 9 | 2

1, 5, 9 | 3

1, 5, 3 | 3

1, 5, 1 | 5

1, 1, 1 | 1

MCM = 2 . 2 . 3 . 3 . 5 = 180

La a no se

espero q te sirva