·Sep 27, 2022

I don’t know anything about this.

Name: eto nado znat'
Uploaded: 2022-09-27T18:37:55.572Z
Duration: 2 s
Channel: Влад Кишковский
Description: An elderly man in a suit stands behind a wooden lectern in a lecture hall, speaking and gesturing with his hands while facing an audience, with a blackboard covered in mathematical equations visible behind him.

Description

An elderly man in a suit stands behind a wooden lectern in a lecture hall, speaking and gesturing with his hands while facing an audience, with a blackboard covered in mathematical equations visible behind him.