Der Tutor macht Spaß

• 00:09
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• 01:03
• 01:31
• 01:58
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• 02:53
• 03:21
• 03:48
• 04:15
• 04:43
• 05:10
• 05:38
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• 06:33
• 07:00

Let's take care of that before we study.