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A mental math "trick" that may impress your friends
27,731 просмотров • 3 лет назад •via X (Twitter)
Комментарии: 5

Jonathan3 лет назад
Arthur Benjamin showed me (well, I’ll lecture hall full of people, but I was there), how to extend/modify this trick to calculate squares in our heads. I keep practicing, and can do most three digit numbers. Way cool.

WalkerND3 лет назад
Cool!

FBi DIRECTOR KASH PATEL Parody3 лет назад
You deserve a follow

G Town Jocka3 лет назад
If this impresses your friends, you may need better friends

💛 A. Carlos 💙3 лет назад
@helenagr_07 apúntate este trucazo
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