Question

calcule o mmc e o mdc:
A)6 e 7
b)20 e 30
c)8 e 12
d)12 e 15
e)24 e 60

Answer 1

Vamos lá !

Letra "A"

MMC

6 , 7 | 2

3 , 7 | 3

1, 7 | 7

1 , 1

2 • 3 • 7 = 42

MDC

6 , 7 | 1

1 , 1

1 • 1 = 1

Letra "B"

MMC

20 , 30 | 2

10, 15 | 2

5 , 15 | 3

5 , 5 | 5

1 , 1

2² • 3 • 5 = 60

MDC

20 , 30 | 2

10 , 15 | 5

5 , 3 | 1

1 , 1

2 • 5 = 10

Letra "C"

MMC

8 , 12 | 2

4 , 6 | 2

2 , 3 | 2

1, 3 | 3

1 , 1

2³ • 3 = 24

MDC

8 , 12 | 2

4 , 6 | 2

2 , 3 | 1

1 , 2

2 • 2 = 4

Letra "D"

MMC

12 , 15 | 2

6, 15 | 2

3 , 15 | 3

1 , 5 | 5

1 , 1

MDC

12 , 15 | 3

4 , 5 | 1

1 , 1

3 • 1 = 3

Letra "E"

MMC

24 , 60 | 2

12 , 30 | 2

6 , 15 | 2

3 , 15 | 3

1 , 5 | 5

1 , 1

2³ • 3 • 5 = 120

MDC

24 , 60 | 2

12 , 30 | 2

6 , 15 | 3

2 , 5 | 1

1 , 1

2² • 3 = 12