29.01. 4.A

4.A

1. https://learningapps.org/display?v=pvg2gwjtj17

2. https://learningapps.org/display?v=px4kwbgq317

3. https://learningapps.org/display?v=p04x0baca17

4. https://learningapps.org/display?v=p36oh1ewn17

5. https://learningapps.org/display?v=pene2e0uc20

6. https://learningapps.org/display?v=p8tvqqc7520