An Experimental Study to Determine the Relative Difficulty of the Elementary Number Combinations in Addition and Multiplication

by United States General Accounting Office and Harry Vance Holloway

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  • ISBN10 1234381036
  • ISBN13 9781234381035
  • Publish Date 22 January 2013
  • Publish Status Unknown
  • Out of Print 10 November 2016
  • Publish Country US
  • Imprint Rarebooksclub.com
  • Format Paperback (US Trade)
  • Language English