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June 22, 2011 02:33 am PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/H8g-D7z0HCo/visual-multiplicatio.html
Visual multiplication is delightful
It's been ages since I last checked in with math-doodling funnylady Vi Hart's YouTube feed -- too long. The latest installment's a great technique for visual multiplication (and binomial expansion!) that I wish I'd known when I was in school, and a little rumination on good sentence structure in mathematics. Re: Visual Multiplication and 48/2(9+3) (via Copyfight)...Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/H8g-D7z0HCo/visual-multiplicatio.html
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