00397nam a2200157Ia 450000500170000000800410001704100080005808200090006610000190007524500360009425000060013026400560013630000270019265000060021965500140022520260922095455.0260922s9999    xx            000 0 und d  aeng  a510.1 aSHOUREN, Wang 10aMathematical Olympiad In China   a0  aChinabChinese Mathematical Olympiad Comitteec1986  a312 hlm.bilus.c22 cm 4a0  aGrade 7-9