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Second Lessons in Arithmetic
Henry Nathan Wheeler
其他書名
An Intellectual Written Arithmetic Upon the Inductive Method of Instruction as Illustrated in Warren Colburn's First Lessons
出版Houghton, Mifflin, 1888
URLhttp://books.google.com.hk/books?id=Rsg2AAAAMAAJ&hl=&source=gbs_api
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