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Practical and Mental Arithmetic, On a New Plan, in Which Mental Arithmetic Is Combined with the Use of the Slate: Containing a Complete System for All Practical Purposes; Being in Dollars and Cents

Name: Practical and Mental Arithmetic, On a New Plan, in Which Mental Arithmetic Is Combined with the Use of the Slate: Containing a Complete System for All Practical Purposes; Being in Dollars and Cents
Author: Roswell Chamberlain Smith
ISBN: 9781142452551