ISBN: 9787306047267 - 小学数学练习题卡 心算 口算 速算 3年级 上册 中山大学出版社 (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date :2014-01-01 Pages: 120 Language: Chinese Publisher: Zhongshan University Press. elementary school mathematics exercises Card: mental arithmetic. I count. speed calculation (Grade 3 volumes on). according to the teaching requirements. teaching experienced by the line teacher preparation. step by step. and learn new ways to guide students in science and mathematics training. mastery learning mathematical laws. Primary Mathematics Exercises card: mental arithmetic. I count. s.…