Note: Images of the original pages are available through the Google Books Library Project http://www.google.com/books?id=HgA_AAAAYAAJ or through the HathiTrust Digital Library at http://babel.hathitrust.org/cgi/pt?id=mdp.39015019725202 Complicated fractions appear in several places. For example, 3-((7-1/2)/12). This should be read as three and seven and one-half twelfths.…
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