How to calculate cube roots in your head
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2:25
Mathematical Card Trick ALWAYS Works - Red And Black Cards
![](https://i.ytimg.com/vi/I7TFYa1v9xI/mqdefault.jpg)
10:16
How To Calculate Square Roots - Numerals That Changed Math Forever
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13:33
Ancient trick to calculate ANY square root
![](https://i.ytimg.com/vi/J6-Cd0MLdUU/mqdefault.jpg)
11:59
This Math Trick is Black Magic
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12:40
3 outside the box problems from China
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19:48
2 over (2 + square root of 3) =? many are going to get this WRONG!
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17:38
Saupoudrez simplement sur les pots d’orchidées ! De nouvelles branches florales poussent immédiateme
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8:08