Les ratios

Activité: préparation d'une vinaigrette

https://www.youtube.com/watch?v=YECVoo5BEnI

https://www.youtube.com/watch?v=rOtCPRQVzpw

https://www.youtube.com/watch?v=4aY_fHWHxnc

https://www.youtube.com/watch?v=OL86KKoLOCE

https://www.youtube.com/watch?v=PEUHc9-gxJY

Pour s'entraîner:

Exercice 1 :

https://www.youtube.com/watch?v=0ZYnf-pYFik

Exercice 2:

https://www.youtube.com/watch?v=x82ZO8b-DhQ

Exercice 3 :

https://www.youtube.com/watch?v=01vgFHHGlvw

Exercice 4:

https://www.youtube.com/watch?v=YmeQK0xJmGo