Question

Pra agora qual é o a) mdc 10,12,15

b)mmc 10,18,30), mdc (10,18,30)

c)mmc 25,30,40) mdc 25,30,40)

d)mmc 108,120) mdc 108,120)

e)mmc 64,120) mdc 64,120)
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Answer 1

a)

10, 12, 15 | 2

5, 6, 15 | 2

5, 3, 15 | 3

5, 1, 5 | 5

1, 1, 1

não tem MDC

b)

10, 18, 30 | 2

5, 9, 15 | 3

5, 3, 5 | 3

5, 1, 5 | 5

1, 1, 1

MMC= 2×3×3×5= 90

MDC= 2

c)

25, 30, 40 | 2

25, 15, 20 | 2

25, 15, 10 | 2

25, 15, 5 | 3

25, 5, 5 | 5

5, 1, 1 | 5

1, 1, 1

MMC= 2³×3×5²= 600

MDC= 5

d)

108, 120 | 2

54, 60 | 2

27, 30 | 2

27, 15 | 3

9, 5 | 3

3, 5 | 3

1, 5 | 5

1, 1

MMC= 2³×3³×5= 1.080

MDC= 2×2×3= 12

e)

64, 120 | 2

32, 60 | 2

16, 30 | 2

8, 15 | 2

4, 15 | 2

2, 15 | 2

1, 15 | 3

1, 5 | 5

1, 1

MMC= 2×2×2×2×2×2×3×5= 960

MDC= 2×2×2= 8