Isbn: 9787567231443 (1 résultats)

paperback. Etat : New. Paperback. Pub Date: 2020-04-01 Pages: 144 Language: Chinese Publisher: Soochow University Press Oral arithmetic is the basis of written arithmetic. and it is also a part of elementary school mathematics ability. The enhancement of oral arithmetic ability can greatly improve calculation ability.?Practice daily Mathematical Mathematical Problem Cards (First GradeVolume 1) has been compiled based on the new syllabus and textbooks after careful market research.?Primary school mathematics oral ar.…