其他書名 | In Two Parts: Part 1, Advanced Lessons in Mental Arithmetic, Part 2, Rules and Examples for Practice in Written Arithmetic. For Common and High Schools |
出版 | Thomas, Cowperthwait & Company, 1852 |
URL | http://books.google.com.hk/books?id=mm0XAAAAYAAJ&hl=&source=gbs_api |
EBook | FULL_PUBLIC_DOMAIN |