00269nam a2200133Ia 4500008004100000082001200041100001000053245001800063260001100081260001000092260000900102300000800111650001600119240717s9999    xx            000 0 und d  a510 NCE  aNCERT 0aMathematics X  aJaipur  bNCERT  c2006  a364  aMathematics