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The Elements of Numbers, Or, Easy Instructer [sic]
Tobias Ostrander
其他書名
Being a New and Comprehensive System of Practical Arithmetic : Calculated for the Use of Schools Throughout the United States
出版Morse and Harvey, 1834
URLhttp://books.google.com.hk/books?id=07SK1kXgGNcC&hl=&source=gbs_api
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