Isbn: 9787530421031 - 北京数学奥林匹克小学教材：四年级（修订版） (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback Pages Number: 263 Beijing Olympic mathematics primary school textbooks focus on the mathematical amateur school curriculum construction and teaching regular classroom activities. reference materials. China's nine-year compulsory education system and the implementation of the weekend. the children actively and development of time and space. How to learn a director of children in order to better mathematics learning and development? This is a hot topic for parents. te.…