(2/3)2002方*(1.5)2003方/(-1)2004方
=(2/3)2002方*(3/2)2003方/(1)2004方
=(2/3)2002方*(3/2)2002方*(3/2)/1
=[(2/3)*(3/2)]2002方*(3/2)
=(1)2002方*(3/2)
=1*(3/2)
=1.5
(2/3)2002方*(1.5)2003方/(-1)2004方
=(2/3)2002方*(3/2)2003方/(1)2004方
=(2/3)2002方*(3/2)2002方*(3/2)/1
=[(2/3)*(3/2)]2002方*(3/2)
=(1)2002方*(3/2)
=1*(3/2)
=1.5