Question

Como resolve Mmc 15 , 24 ,38

Answer 1

Fatorando em primos:

15, 24, 38 | 2 
15, 12, 19 | 2
15, 6, 19 | 2
15, 3, 19 | 3
5, 1, 19 | 5
1, 1, 19 | 19 
1, 1, 1 

MMC = 2^3 × 3 × 5 × 19 = 2280

Answer 2

resolva as expressôes
-42+38