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I always thought this was a neat trick: http://www.archimedes-lab.org/Maths2_Multiplication.html http://www.archimedes-lab.org/Maths2_Multiplication.html
by sharemywin 8y ago
I always thought this was a neat trick:
http://www.archimedes-lab.org/Maths2_Multiplication.html http://www.archimedes-lab.org/Maths2_Multiplication.html