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<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
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<br>Subjects: product; times; cents; dollars; tens; square; fraction; sum; common; cost; common multiple; greatest common; common factor; product product; figures preceding; three times; public domain; common denominator; equal parts; prime factors</div>
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Daniel Leach</div>
Internet Archive identifier