Secret tricks to remember your times tables
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22:40
Solving a legendary puzzle
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18:14
Could you pass this interview? The famous batteries and flashlight logic puzzle
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11:59
This Math Trick is Black Magic
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13:33
Ancient trick to calculate ANY square root
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14:28
How to win Squid Game's rock, paper, scissors minus one
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18:11
BASIC Calculus – Understand Why Calculus is so POWERFUL!
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12:40
3 outside the box problems from China
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5:05