Relaxed and happy every day I count mental arithmetic exercise books fast calculation: 4 year (Vol.1) (Beijing Normal University class standard version)(Chinese Edition)

By Ben She

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• Format: Paperback
• Language: English
• ISBN: 7806641300
• ISBN13: 9787806641309
• Release Date: January 2000
• Publisher: Changchun Publishing House Pub. Date :2008-8-1
• Weight: 1.01 lbs.