其他書名 | The primary-school arithmetic, designed for beginners : containing copious mental exercises, together with a large number of examples for the slate. Part first |
出版 | E.H. Butler & Company, 1851 |
URL | http://books.google.com.hk/books?id=ht0LDYOm7xAC&hl=&source=gbs_api |
EBook | FULL_PUBLIC_DOMAIN |