Isbn: 9787501603602 - 加法是什么 幼儿图书 早教书 智力开发 儿童书籍 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2011 Pages: 24 Language: Chinese in Publisher: People's Literature Publishing House. every day Press discovered mathematical genius: the addition of about: game design easy-to-digest. and with text guidance. games strong. interactive. scientific help parents helping children. Items based on color. shape and other external characteristics classification exercises estimates and count correctly sort items according to a law of learning the addition of less than 20. the estab.…