(2/3)^2002×(1.5)^2003÷(-1)^2004
=(2/3)^2002×(3/2)^2003÷1^2004
=(2/3)^2002×(3/2)^2002×(3/2)÷1
=(2/3×3/2)^2002×(3/2)
=1^2002×3/2
=3/2
(2/3)^2002×(1.5)^2003÷(-1)^2004
=(2/3)^2002×(3/2)^2003÷1^2004
=(2/3)^2002×(3/2)^2002×(3/2)÷1
=(2/3×3/2)^2002×(3/2)
=1^2002×3/2
=3/2