Question

determine o mmc dos números abaixo
a)5 e 6
b)15 e 12
c)2,3 e 8
d)4 e 7
e)9 e 18
f)1,7 e 9

(ajuda pfv)
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Answer 1

Resposta:

A) 30

B) 60

C) 24

D) 28

E) 36

F) 63

Explicação passo-a-passo:

montar as contas

Answer 2

a)5,6|2 2•3•5=30 | 5=5,10,15,20,25,30

5,3|3 6=6,12,18,24,30

5,1|5

1,1

b)15,12|3 3•2²•5=60 | 12=12, 24, 36, 48, 60,...

5,4 |2 15=15,30,45,60...

5,2 |2

5,1 | 5

1,1

c)2,3,8|2 2³•3=24 | 2=2,4,6,8,10,12,14,16,18,20,22,24...

1,3,4 |2 3=3,6,9,12,15,18,21,24...

1,3,2|2 8=8,16,24...

1,3,1 |3

1,1,1

d)4,7|7 7•2²=28 |7=7,14,21,28...

4,1|2 4=4,8,12,16,20,24,28...

2,1|2

1,1

e)9,18|2 2•3²=18 | 9=9,18,...

9,9|3 18=18,36...

3,3|3

1,1

f)1,7,9|7 7•3²=63 | 7=7,14,21,28,35,42,49,56,63...

1,1,9|3 9=9,18,27,36,45,54,63...

1,1,3|3

1,1,1