[v52+ of] Equations Hangers testbed

This is a collection of some of the Desmos team's favorite screens from the activities available at https://teacher.desmos.com/. We've polished up the graphs so you can more easily copy, paste, and modify them for your own activities. In order to copy and edit these activities, you'll need to turn on Computation Layer at teacher.desmos.com/labs. Translated by the Desmos localization team into: French: https://teacher.desmos.com/activitybuilder/custom/5e98bef5372a0c69346ad316

By Kevin Hall