其他書名 | Combining Analysis and Synthesis : Adapted to the Best Mode of Instruction in the Elements of Written Arithmetic |
出版 | Thompson, Brown, & Company, 1878 |
URL | http://books.google.com.hk/books?id=-uUM-T-3mA0C&hl=&source=gbs_api |
EBook | FULL_PUBLIC_DOMAIN |