<iframe src="https://podeduc.apps.education.fr/video/66304-ratio-utiliser-un-ratiomp4/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> ratio - utiliser un ratio.mp4 PodEduc https://podeduc.apps.education.fr/videos/?owner=ZgNAtN_vDkYmv5oPbJu-3DhxhIg 360 https://podeduc.apps.education.fr video 640 1.0 Sébastien leterme