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Practical Problems in Arithmetic
G. J. McCormac
其他書名
For the Use of Senior Classes in the Public Schools and More Especially for the Use of Candidates Preparing for Examinations
出版W.J. Gage, 1902
URLhttp://books.google.com.hk/books?id=TGm-0AEACAAJ&hl=&source=gbs_api