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Determine o mmc:
a) mmc (50,75)
b) mmc (60,24)
c) mmc (21,30)
d) mmc (28,48)
e) mmc (2,4)
f) mmc (7,5)
g) mmc (9,1)
h) mmc (21,7)
i) mmc (8,9)
j) mmc (13,26)
k) mmc ( 2,4,6,)
l) mmc (3,6,9)
m) mmc (10,12,45)
n) mmc (6,8,12,15)
o) mmc (12,18,36,40)

Sagot :

a) 50, 75 | 2

25, 75 | 3

25, 25 | 5

5, 5 | 5

1, 1 | 1

MMC = 2 . 3 . 5 . 5 = 150

b) 60, 24 | 2

30, 12 | 2

15, 6 | 2

15, 3 | 3

5, 1 | 5

1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 5 = 120

c) 21, 30 | 2

21, 15 | 3

7, 5 | 5

7, 1 | 7

1, 1 | 1

MMC = 2 . 3 . 5 . 7 = 210

d) 28, 48 | 2

14, 24 | 2

7, 12 | 2

7, 6 | 2

7, 3 | 3

7, 1 | 7

1, 1 | 1

MMC = 2 . 2 . 2 . 2 . 3 . 7 = 336

e) 2, 4 | 2

1, 2 | 2

1, 1 | 1

MMC = 2 . 2 = 4

f) 7, 5 | 5

7, 1 | 7

1, 1 | 1

MMC = 5 . 7 = 35

g) 9, 1 | 3

3, 1 | 3

1, 1 | 1

MMC = 3 . 3 = 9

h) 21, 7 | 3

7, 7 | 7

1, 1 | 1

MMC = 3 . 7 = 21

i) 8, 9 | 2

4, 9 | 2

2, 9 | 2

1, 9 | 3

1, 3 | 3

1, 1 | 1

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

j) 13, 26 | 2

13, 13 | 13

1, 1 | 1

MMC = 2 . 13 = 26

k) 2, 4, 6 | 2

1, 2, 3 | 2

1, 1, 3 | 3

1, 1, 1 | 1

MMC = 2 . 2 . 3 = 12

l) 3, 6, 9 | 2

3, 3, 9 | 3

1, 1, 3 | 3

1, 1, 1 | 1

MMC = 2 . 3 . 3 = 18

m) 10, 12, 45 | 2

5, 6, 45 | 2

5, 3, 45 | 3

5, 1, 15 | 3

5, 1, 5 | 5

1, 1, 1 | 1

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

n) 6, 8, 12, 15 | 2

3, 4, 6, 15 | 2

3, 2, 3, 15 | 2

3, 1, 3, 15 | 3

1, 1, 1, 5 | 5

1, 1, 1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 5 = 120

o) 12, 18, 36, 40 | 2

6, 9, 18, 20 | 2

3, 9, 9, 10 | 2

3, 9, 9, 5 | 3

1, 3, 3, 5 | 3

1, 1, 1, 5 | 5

1, 1, 1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 3 . 5 = 360

Resposta:

Explicação passo-a-passo:

Determine o mmc:

a) mmc (50,75) = 150

50,75: 2

25,75: 3

25,25: 5

5,5: 5

-------------

1,1

= 2.3.25

= 6.25

= 150

R.: 150

______________

b) mmc (60,24) = 120

60,24: 2

30,12: 2

15, 6: 2

15, 3: 3

5, 1: 5

---------

1,1

= 2.2.2.3.5

= 8.15

= 120

R.: 120

_____________

c) mmc (21,30) = 210

21,30: 2

21,15: 3

7, 5: 5

7,1: 7

--------

1,1

= 2.3.5.7

= 6.35

= 210

R.: 210

______________

d) mmc (28,48) = 336

28,48: 2

14, 24: 2

7, 12: 2

7, 6: 2

7, 3: 3

7,1: 7

---------

1,1

= 2.2.2.2.3.7

= 8.2.21

= 168.2

= 336

R.: 336

______________

e) mmc (2,4) = 4

2,4: 2

1,2: 2

----------

1,1

= 2.2

= 4

R.: 4

______________

f) mmc (7,5) = 35

7,5: 5

7,1: 7

-----------

1,1

= 5.7

= 35

R.: 35

_____________

g) mmc (9,1) =9

9,1: 3

3, 1: 3

----------

1, 1

= 3.3

= 9

R.: 9

_______________

h) mmc (21,7) =21

21,7: 3

7,7: 7

1,1

= 3.7

= 21

R.: 21

_____________

i) mmc (8,9) =72

8,9: 2

4,9: 2

2,9: 2

1,9: 3

1,3: 3

---------

1,1

= 2.2.2.3.3

= 8.9

= 72

R.: 72

_______________

j) mmc (13,26) = 26

13,26:2

13,13: 13

-------------

1,1

= 2.13

= 26

R.: 26

________________

k) mmc ( 2,4,6) = 12

2,4,6: 2

1, 2, 3: 2

1,1,3:3

-----------

1,1,1

= 2.2.3

= 12

R.: 12

________________

l) mmc (3,6,9) = 18

3,6,9: 2

3,3,9:3

1,1,3:3

------------

1,1,1

= 2.3.3

= 2.9

= 18

R.: 18

____________________

m) mmc (10,12,45) = 180

10,12,45: 2

5,6,45: 2

5,3,45: 3

5,1,15: 3

5,1,5: 5

-------------

1,1,1

= 2.2.3.3.5

= 4.45

= 180

R.: 180

________________

n) mmc (6,8,12,15) = 120

6,8,12,15: 2

3,4,6,15: 2

3,2,3,15: 2

3,1,3,15: 3

1,1,1,5: 5

-------------

1,1,1,1

= 2.2.2.3.5

= 8.15

= 120

R.: 120

_________

o) mmc (12,18,36,40) = 360

12,18,36,40: 2

6, 9, 18, 20: 2

3, 9, 9, 10: 2

3, 9, 9, 5: 3

1, 3, 3, 5: 3

1,1,1,5: 5

-----------------

1,1,1,1

= 2.2.2.3.3.5

= 8.9.5

= 72.5

= 360