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Early Sumerian math cones: Early numeral system, in which small clay cones were used to represent one, a clay ball for ten, and a large cone for sixty
by admin · Published · Updated
Early Sumerian math cones: Early numeral system, in which small clay cones were used to represent one, a clay ball for ten, and a large cone for sixty
by admin · Published July 5, 2017 · Last modified May 14, 2026
by admin · Published June 27, 2013 · Last modified July 16, 2013
by admin · Published October 23, 2019 · Last modified May 14, 2026
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