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How To Calculate Square Roots In Your Head
MindYourDecisions
10:16
Apr, 2022
1.2M
This is easy to solve, hard to prove
MindYourDecisions
11:00
May, 2022
60.2K
The Simplest Cryptography Game
Vsauce2
10:23
May, 2021
290.7K
An inverted pendulum puzzle
Zach Star
12:18
Dec, 2020
117K
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