Question

oi alguém!!!!!! por favor matemática ​

Answer 1

Explicação passo-a-passo:

a) mmc ( 12, 15, 18)

12,15,18 | 2

6 ,15 ,9 2

3, 15, 9 3

1 , 5 , 3 3

1 , 5, 1 5/ = 2×2×3×3×5= 180

1 , 1, 1

b) 15,20 | 2

15 ,10 2

15, 5 3

5 , 5 5 / = 2×2×3×5= 60

1, 1

C) 27, 18, 54 | 2

27 , 9, 27 3

9 , 3, 9 3

3 , 1 , 3 3/ = 2×3×3×3= 54

1 , 1 , 1

D) 81,9,45 | 3

27, 3, 15 3

9, 1 ,5 3

3 ,1 ,5 3

1, 1, 5 5/= 3×3×3×3×5= 243

1, 1 ,1

Answer 2

Resposta:

a) MMC 12,15,18

12,15,18/2

6,15,9/2

3,15,9/3

1,5,3/3

1,5,1/5

1,1,1

2x2x3x3x5=180

b) MMC 15,20

15,20/2

15,10/2

15,5/3

5,5/5

1,1

2x2x3x5 = 60

c) MMC 27, 18,54

27, 18,54/2

27, 9, 27/3

9,3,9/3

3,1,3/3

1,1,1

2x3x3x3=54

d) MMC 81, 9, 45

81, 9, 45/3

27, 3, 15/3

9, 1, 5/3

3, 1, 5/3

1, 1, 5/5

1, 1, 1

3x3x3x3x5=405