00325nam a2200133Ia 450000100060000000800410000602000180004704000130006508200210007810000200009924500540011930000110017354600070018410697140331s9999    xx            000 0 und d  a0-382-19915-4  cPK-LaUMT  a 378.1664bBUR-M  aBurdett, Silver  aMatematics : Exploremos tu mundocBurdett, Silver  a118 p.  aEN