答案为:{x|1<x<4,x≠3}。具体步骤如下:由2/(x-3)+3>x+1可知,x≠3;2/(x-3)+3>x+12/(x-3)>x+1-32>(x-2)(x-3)x²-5x+6<2x²-5x+4<0△=25-16=9>0x∈(1,4),x≠31-3(x+1)≤8-x3(x+1)≥x-72x≥-10x∈(-5,正无穷)综上所述,{x|1<x<4,x≠3}