00512nam a2200181Ia 450000500170000000800410001702000180005804000190007604100120009508200130010710000180012024501060013826000260024430000150027065000160028570000190030185000100032020240521093414.0131103s9999    xx            000 0 und d  a0 423 84120 3  aLoreto College  aEnglish  a510bFLA  aFlavell, J.S. 4aThe new primary mathematicsb an introduction to the language of number cJ S. Flavell & B.B. wakelam  aLondonbMethuenc1969  a158pb ill  aMathematics  aWakelam, B. B.  aLCBED