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Google圖書搜尋
Number Worlds Number Worlds, Conceptual Development Activities Book
Sharon Griffin
出版
McGraw Hill LLC
, 2010-08-04
主題
Mathematics / General
ISBN
0021138036
9780021138036
URL
http://books.google.com.hk/books?id=lj0vngEACAAJ&hl=&source=gbs_api
註釋
Number Worlds was developed to expose and develop children's understanding of the three worlds of mathematics: quantity, number, and symbols.