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Addition and Subtraction 1-2
Martha Palmer
出版
School Zone Publishing Company
, 1995-02
ISBN
0938256297
9780938256298
URL
http://books.google.com.hk/books?id=5g6PQgAACAAJ&hl=&source=gbs_api
註釋
For 20 years, School Zone I Know It! books have set the standard for home learning materials. Each book is developed by professional educators to complement the curriculum at each grade. Each I Know It! book has clear instructions and fun-to-do exercises.