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<p>Book digitized by Google from the library of University of California and uploaded to the Internet Archive by user tpb.
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<br>Subjects: square; sum; reduce; divide; divisor; interest; multiply; decimal; square root; cube root; greatest common; common multiple; square feet; common divisor; three times; equivalent fractions; decimal places; cubic inches</div>
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George Roberts Perkins</div>
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