Classification problem typical elementary school mathematics competitions (fine) Code series of primary and secondary questions(Chinese Edition)

by ZHU HUA WEI // HU XING HU Paperback details (USA). ISBN: 978-7-5351-1888-2 ISBN-10: 7-5351-1888-7 Hubei Education Pub. Date :2008-09-01 version 1 · 2000