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

by Harry Vance Holloway

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  • ISBN10 1331439795
  • ISBN13 9781331439790
  • Publish Date 2 February 2019
  • Publish Status Active
  • Publish Country GB
  • Imprint Forgotten Books
  • Format Paperback (US Trade)
  • Pages 112
  • Language English