00497nam a2200157Ia 4500100001600000942000700016366000900023654002400032245005300056260001900109082001300128300000800141546001200149999001700161952016100178  aVakil/Ravi   cBK  f17.5  amathematical mosaic  aMathematical mosaic:Patterns and problem solving  bWestlandc2009  a515bVAK  a286  aENGLISH  c27160d27160  001040708CRCaCRCEbCRCEd2023-03-17eEducational books and periodicalsg206.25i256 dt 27/04/2009l0o515 VAKp20090r2023-03-17v250.00w0000-00-00yBK