Isbn: 9787534021954 (1 resultados)

paperback. Condición: New. Paperback Pages Number: 64-Language: Chinese. The development of new mind books aimed at children in the unpleasant and repeatedly practicing the process of development of all aspects of capacity. Books by age volumes edited. any child can easily start. step by step. Number of training (three years) for 3-year-olds. 3-year-old children to form an important period of numeracy ability this period some children would say less than 10 the number in this period. compared with a lot of say a few. s. …