This guy does some fast thinking math, concluding with squaring a 5 digit number in his head with a bit of insight into his method.
posted by deathcow
1 decade 3 years 7 months 4 weeks ago • 334 views
TED talks
Created: 1 decade 7 years 6 months ago
Updated: 7 years 8 months ago
Views: 18,573
Updated: 7 years 8 months ago
Views: 18,573
TED talks.
The best speakers with the most amazing topics. What do you want more.
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1 decade 3 years 7 months 4 weeks ago • 334 views