ISBN: 9787539758268 - 阶梯数学（2岁 套装共5册） (1 risultati)

paperback. Condizione: New. Paperback. Pub Date :2014-02-01 Pages: 46 Language: Chinese Publisher: Anhui Children's Publishing House ladder Mathematics (Set of 2 years 5) by the South Korean authorities based early childhood education experts well-written children's intellectual development characteristics of divided into two age five to six years of age. each age Youyidaonan divided into five steps. each ladder are taken into account early childhood learning content acceptable level. just keep practicing every day. chi.…