| http://www.w3.org/ns/prov#value | - The symbol ?? of this operation is read ???times.??? If such letters as a and b are used to denote the numbers, the product a ?? b is often written a???b or simply ab.If three rows of five dots each are written, as illustrated below,it is clear that the total number of dots in the array is 3 ?? 5, or 15.
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