19.12. 5.B. RIIDED

 1. https://learningapps.org/display?v=pydwawpfa22

2. https://learningapps.org/display?v=pt8aks4cn22

3. https://learningapps.org/display?v=p3m85nwuc22

4. https://learningapps.org/display?v=p19d2r9ra22