Matemática, perguntado por ramiluis741, 4 meses atrás

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Anexos:

janainabeis: Quer ajuda para saber qual é a maior?
janainabeis: Colocá-las em ordem decrescente ou crescente?

Soluções para a tarefa

Respondido por janainabeis
1

Resposta:

1)

A) 3/5 > 4/9

B) 7/8 > 5/12

2)

A) 4/5 > 2/3

B) 5/7 > 3/5

C) 5/7 > 2/3 > 3/5

Explicação passo a passo:

1)

A) MMC de 5 e 9 = 45

45/5= 9x3= 27

27/45 = 3/5

45/9= 5x4= 20

20/45= 4/9

3/5 > 4/9

B) MMC de 8 e 12= 24

24/8= 3x7= 21

21/24= 7/8

24/12= 2x5=10

10/24= 5/12

7/8 > 5/12

2)

A) MMC de 5 e 3= 15

15/5= 3x4=12

12/15= 4/5

15/3= 5x2= 10

10/15= 2/3

4/5 > 2/3

B) MMC de 7 e 5= 35

35/7= 5x5= 25

25/35= 5/7

35/5= 7x3= 21

21/35= 3/5

5/7 > 3/5

C) MMC de 3, 5 e 7=105

105/3= 35x2= 70

70/105= 2/3

105/5= 21x3=63

63/105= 3/5

105/7= 15x5= 75

75/105= 5/7

5/7 > 2/3 > 3/5

Espero ter ajudado!

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