Question

1 Calcule & MMC a)6 e 8 в)9 e 4 c) 36 e 24 d 45 e 60 e) 16 e 81 f) 13 e 17 g) 12, 15 e 18 h) 4,25 e 21 ​

Answer 1

A)

6, 8 | 2

3, 4 | 2

3, 2 | 2

3, 1 | 3

1, 1 | 1

MMC = 2 . 2 . 2 . 3 = 24

B)

9, 4 | 2

9, 2 | 2

9, 1 | 3

3, 1 | 3

1, 1 | 1

MMC = 2 . 2 . 3 . 3 = 36

C)

36, 24 | 2

18, 12 | 2

9, 6 | 2

9, 3 | 3

3, 1 | 3

1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 3 = 72

D)

45, 60 | 2

45, 30 | 2

45, 15 | 3

15, 5 | 3

5, 5 | 5

1, 1 | 1

MMC = 2 . 2 . 3 . 3 . 5 = 180

E)

16, 81 | 2

8, 81 | 2

4, 81 | 2

2, 81 | 2

1, 81 | 3

1, 27 | 3

1, 9 | 3

1, 3 | 3

1, 1 | 1

MMC = 2 . 2 . 2 . 2 . 3 . 3 . 3 . 3 = 1296

F)

13, 17 | 13

1, 17 | 17

1, 1 | 1

MMC = 13 . 17 = 221

G)

12, 15, 18 | 2

6, 15, 9 | 2

3, 15, 9 | 3

1, 5, 3 | 3

1, 5, 1 | 5

1, 1, 1 | 1

MMC = 2 . 2 . 3 . 3 . 5 = 180

H)

4, 25, 21 | 2

2, 25, 21 | 2

1, 25, 21 | 3

1, 25, 7 | 5

1, 5, 7 | 5

1, 1, 7 | 7

1, 1, 1 | 1

MMC = 2 . 2 . 3 . 5 . 5 . 7 = 2100

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