Traduction "partielle" de l'activité [url=https://www.geogebra.org/p/jl_svf287kM]https://www.geogebra.org/p/jl_svf287kM[/url] (A modified version of [url=https://www.openmiddle.com/distributive-property-2-2/]this Open Middle problem[/url].)