ISBN: 9787544504515 - 2022秋 数学口算题卡 一年级 上册 人教rj 海淀全新升级版 全横式小学1年级上人教版 心算口算速算巧算 提高运算能力强化口算速度 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pages Number: 0 Publisher: Changchun Publishing House Pub. Date :2007-06-01. The series of written materials are not rigidly adhere to limitations in different versions. but in studying the new curriculum standards. based on the way with new ideas of style settings and kinds of questions of integration. compared with similar books in both from the textbook wide in the materials. higher than the materials characteristics at the same time. also pay attention to refle.…