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July 17, 2013The Math Problem4 minutesPlayZephyr Norman Rockness demonstrates some of his math wizardry....moreShareView all episodesBy Seth G. Samuel511 ratingsJuly 17, 2013The Math Problem4 minutesPlayZephyr Norman Rockness demonstrates some of his math wizardry....more
July 17, 2013The Math Problem4 minutesPlayZephyr Norman Rockness demonstrates some of his math wizardry....more