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Google圖書搜尋
A New Arithmetic
Jay Ford Laning
其他書名
Containing Short, Simple, Practical and Scientific Methods of Calculation : a Work for the Progressive, Teacher and Scholar ...
出版
J.F. Laning
, 1880
URL
http://books.google.com.hk/books?id=GfCAtgAACAAJ&hl=&source=gbs_api