登入選單

返回Google圖書搜尋

David Lehman Ciphering Book

David Lehman

出版	1837
URL	http://books.google.com.hk/books?id=aSNGswEACAAJ&hl=&source=gbs_api

註釋

This copy book consists of instructions on arithmetical principles. The instructions are followed by exercises and answers.