00447nam a2200157Ia 4500008004100000020002200041040001900063041001200082082002500094100001900119245005900138260003400197300002400231650001600255850001800271131103s9999    xx            000 0 und d  a8177390147cRs.84  aLoreto College  aEnglish  a510/AGGbLCBED/13597  aAggarwal, M.L.  aUnderstanding Mathematicsb class - ix cM.L. Aggarwal  aNew DelhibAvichal pub.c2001  aviii,352p. c 24cm.  aMathematics  aLCBED/510/AGG