From TED talks: "In a lively show, mathemagician Arthur Benjamin races a team of calculators to figure out 3-digit squares, solves another massive mental equation and guesses a few birthdays. How does... continue reading
posted by 10138 1 decade 6 years 5 months 2 weeks ago • 3,674 viewsTED talks
Created: 1 decade 7 years 3 months 1 week ago
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Updated: 7 years 5 months 2 weeks ago
Views: 18,573
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