【1分で解け】伝説の難問を瞬殺できる操作がヤバすぎた
21:25
I also got the answers to the first grade math test wrong, the factoring was too bad.
13:44
The best of integer problems with too much to learn [Mathematical Olympiad].
11:53
Kill the legendary Kyoto University entrance exam in a blink of an eye by making it into a pattern!
7:50
一度聞いたら忘れない漸化式の授業
26:15
Video: Learn to “Always” Solve Asymptotic Expressions from Zero (for beginners)
22:08
Tokyo University's problem: calculations are too tricky without creativity!
10:21
Fun integer problems for the Math Olympiad
18:53