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Edité par Hubei Education Pub. Date :2010-12-01 version 1, 2000
ISBN 10 : 7535163750ISBN 13 : 9787535163752
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
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paperback. Etat : New. Paperback. Pub the Date: December 2010 Pages: 90 Language: Chinese in Publisher: Hubei Yangtze publishing Group. Hubei Education Press in order to cultivate the students 'port operator. mental arithmetic. quick calculation. clever operator capacity. fully improve students' mathematics comprehensive qualities. our organization The long-term work in the line of elementary school mathematics grade teacher. senior teacher. prepared port operator mental arithmetic and speed count A simple calculat.