Description: Xu Sizhong shows love for abacus and mental arithmetic

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Xu Sizhong shows love for abacus and mental arithmetic

Published:	China: Hangzhou Pub. House, 2001.
Subjects:	Mental arithmetic

Item Description:	Gift
Physical Description:	78 p.: col. ill.; 29 cm.
ISBN:	7806333592 (pbk.) 9787806333594