Uploaded August 2021 | Updated September 2026, 2 weeks ago

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A look at the 2021 University of Tokyo mathematics entrance exam. I have translated the questions into English.
Original questions (in Japanese): u-tokyo.ac.jp/content/400160388.pdf
Solutions to all questions (in Japanese) from Kawaijuku Educational Institution: kaisoku.kawai-juku.ac.jp/nyushi/honshi/21/t01-21a.pdf
Can a robot pass a university entrance exam? | Noriko Arai: youtu.be/BXcFEhl7ynM
Video solutions to each problem (in Japanese) on this channel: youtu.be/RQi7XvY4Cok
Huge library of past problems (in Japanese): server-test.net/math/tokyo

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Timestamps:
0:00 - Intro
1:18 - A look at the questions
4:35 - My solutions to Q2
9:16 - Patron Cat of the Day