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Sagot :

Bonjour,

total:

15+6+9 =30

a)

Réponse A:

15/30 = 1/2

rép B:

6/30 = 1/5

rép C:

9/30 = 3/10

b)

1/2 = 0,5

1/5 =0,2

3/10 = 0,3

c)

1/2 * 50/50 = 50/100

1/5 * 20/20 = 20/100

3/10 * 10/10 = 30/100

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