Videocápsula matemática - Fracciones equivalentes PID 24-191 2025-07-28T09:25:45Z 2025-07-28T09:25:45Z 2025-06-30 other https://hdl.handle.net/10481/105747 spa http://creativecommons.org/licenses/by-nc-nd/4.0/ open access Attribution-NonCommercial-NoDerivatives 4.0 Internacional