--am hk  eng
++000    00000nam a2200000 a 4500
++020    |a019596330X
++090    |a510 LEU
++100 00 |aLeung, K.S.
++245 00 |aExploring Mathematics 5B
++250    |a1st ed.
++260    |aHong Kong :|bOxford, Canotta ,|c2005.
++300    |a352 p.:|bill. ;|c29 cm.
++690    |aMathematics_數學