ISBN: 9787501602438 - 加法怎么用/发现数学天才 (1 risultati)

paperback. Condizione: New. The paperback. Pub Date: 2011 Pages: 24 Language: Chinese in Publisher: People's Literature Publishing House. every day Press math genius: adder how to use can help children to gradually establish the basic mathematical concepts. systematic training of children's mathematics thinking skills. Game design easy-to-digest. and with text guidance. games. interactive scientific help parents helping children.…