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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: vjooqic; square; sum; reduce; multiply; divide; divisor; decimal; interest; square root; cube root; greatest common; common multiple; square feet; common divisor; three times; cubic inches; cubic feet; federal money</div>
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George Roberts Perkins</div>
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