00460nam a2200145 a 450000500170000000800410001710000220005824501100008026000480019030000100023850000200024865000190026865000160028785200110030320200116024734.0080204s19uu    xx            00    eng d10aVecchinone, Glen.10aMath challenges :bpuzzles, tricks and games /cGlen Vecchinone ; ill by Glen Vecchinone & Nina  Zottoli.0 aKuala Lumpur :bSynergy Book Int'l,cc1997.  a96 p.  aIncludes index.  aMathxPuzzles.  aMathxGame.  7OLOPSC