Die leere Menge
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Source: commons.wikimedia.org
Video source record: https://commons.wikimedia.org/wiki/File:Die%20leere%20Menge.webm
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Summary
| Description | Lehrvideo zum Thema „Leere Menge“ |
|---|---|
| Date | 2015-03-22 |
| Source | commons.wikimedia.org |
| Author | The Wicked Mu |
