Isbn: 9787805932033 (1 résultats)

paperback. Etat : New. Language:Chinese.Paperback. The concept of primary education is the learning of mathematical knowledge based on elementary school mathematics is an important discipline of basic education. both to make the students understand and master the most basic knowledge of the relationship between the number and geometry. but also enable students to master basic knowledge the same time. the development of intelligence. computing skills and techniques. Improve students' knowledge. intelligence and abil.…