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Exercice 1

Exercice 2

Exercice 3

Exercice 4

Exercice 5

Exercice 6

Exercice 7

Exercice 8

Exercice 9

Exercice 10

Exercice 11

Exercice 12

Exercice 13

Exercice 14

Exercice 15

Exercice 16

Exercice 17

Exercice 18

Exercice 19

Exercice 20

Exercice 21

Exercice 22

Exercice 23

Exercice 24

Exercice 25

Exercice 26

Exercice 27

Exercice 28

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