<iframe src="https://podeduc.apps.education.fr/video/60395-os1a-2-niveau-dintensite-sonore-complement/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> OS1a-2 : Niveau d'intensité sonore (complément) PodEduc https://podeduc.apps.education.fr/videos/?owner=dausse bruno 360 https://podeduc.apps.education.fr video 640 1.0 Bruno Dausse https:/media/cache/f2/67/f2671ef35de61091a8188c8d4e15e77f.png 1152 866