Bearbeite die Aufgaben:
https://learningapps.org/display?v=p0vd1pdht01
https://learningapps.org/display?v=pv9qzeqft01
https://learningapps.org/display?v=p3djki4pk
https://learningapps.org/display?v=pnd0q5xdc
https://learningapps.org/display?v=pqbrvwtst01
