ISBN: 9787555298120 - 阳光宝贝学前数学练习册-凑十法/借十法/分解与组成/时间与人民币，加大题量搭配有趣图解，培养孩子 (1 resultados)

Sunshine Baby Preschool Mathematics Workbook-Collecting Ten Methods / Borrowing Ten Methods / Decomposition and Composition / Time and Renminbi. increase the number of questions with interesting illustrations to train children(Chinese Edition)