5218147
9781417933433
1926. Also authored by William A. Smith. A completely self-explanatory text, it represents a distinct advance in arithmetic textbook achievement. They bring to pupil and teacher not only the experience of successful arithmetic teachers but also the results of modern researches and surveys.DeGroat, Harry De W. is the author of 'Iroquois Arithmetics for School And Life Book Grades Five And Six', published 2005 under ISBN 9781417933433 and ISBN 1417933437.
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