<iframe src="https://pod.univ-lr.fr/video/4524-exemples-resolutions-dinequations-par-tableaux-de-signes/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> POD https://pod.univ-lr.fr/videos/?owner=ccouot 360 https://pod.univ-lr.fr video 640 1.0 Cecile Couot