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 ago • 3,674 viewsLectures and or Learning
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Updated: 1 decade 4 years 4 months 4 weeks ago
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