lim(x->∞) (x-1)(2-x)(3-x)/(2x-1)^3
=lim(x->∞) (1-1/x)(2/x-1)(3/x-1)/(2-1/x)^3
=-1/8可是，这样算出来的结果应该是1/8吧我懂了，谢谢啦你对
lim(x->∞) (x-1)(2-x)(3-x)/(2x-1)^3
=lim(x->∞) (1-1/x)(2/x-1)(3/x-1)/(2-1/x)^3
=1/8