数学对数函数 (6 16:21:23)

=lg3/lg(1/2)+lg3/lg2+lg(1/9)/lg4+lg√3/lg√2
=lg3/lg(2^-1)+lg3/lg2+lg(3^-2)/lg2^2+lg3^(1/2)/lg2^(1/2)
=lg3/-lg2+lg3/lg2+(-2/2)lg3/lg2+[(1/2)/(1/2)]lg3/lg2
=-lg3/lg2+lg3/lg2-lg3/lg2+lg3/lg2
=(-1+1-1+1)lg3/lg2
=0