--mm hk  chi
++000    00000nmm a2200000 a 4500
++090    |a510 FOU
++245 00 |aMathematics in Focus 1A (Chapter 0 to Chapter 2 ) CD
++250    |a1st ed.
++260    |aHong Kong:|bEducational Publishing House Ltd,|c2013.
++300    |a1 CD
++440    |aMathematics in Focus
++690    |aMathematics_數學