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A Key to the National Arithmetic, Exhibiting the Operation of the More Difficult Questions in That Work - Softcover

Benjamin Greenleaf

 
9780243148325: A Key to the National Arithmetic, Exhibiting the Operation of the More Difficult Questions in That Work

Synopsis

Excerpt from A Key to the National Arithmetic, Exhibiting the Operation of the More Difficult Questions in That Work<br/><br/>The object of the author, in this publication, is to aid the teacher in communicating instruction to his pupils, and in de teeting any error which they may have made in the Operation of the examples.

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