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Sagot :

Bonsoir,

exercice 7

87 lettres

13 "a"

1)

13/89  => (13*100)/89 = 14,61%

2)

0 "e",

3) c'est la lettre "e"  qui a disparu

exercice 8

total:

16*10 = 160

6/160   => (6*100)/160 = 3,75%

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