Le vélo, comment ça marche ?

Exercice 1

Exercice 2

Exercice 3

Exercice 4

Exercice 5

Exercice 6

Exercice 7

Exercice 8

Exercices 9

Exercices 10

Exercices 11

Exercices 12

Exercices 13

Exercices 14

Exercices 15