<iframe src="https://podeduc.apps.education.fr/video/66572-conception-descendante-structuremp4/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> conception descendante structure.mp4 PodEduc https://podeduc.apps.education.fr/videos/?owner=Q4cZN0pcCgKL904ZyqXVakWwhe8 360 https://podeduc.apps.education.fr video 640 1.0 Nicolas Tijoux