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Eric
Lichtblau
Evan Starkman Actor
Lisa M. Diamond Professor
Jessica Ettinger Journalist
Leslie Pearce Williams
Robert C. Baker Inventor
David Duffield Business Person
Kenneth H. Blanchard Author
T. Colin Campbell Biochemist
Myra M. Hart Author
Daniel R. Hesse Business Person
David K. Wyatt Historian
Susan Rothenberg Visual Artist
1:34
Como obtener el perímetro de un círculo
626K views
Jan 21, 2014
YouTube
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