写法容易引起歧义,是解1/(x²+2x+10)+1/(x²+11x+10)+1/(x²-13x+10) = 0吧?∵1/(x²+2x+10)+1/(x²+11x+10)+1/(x²-13x+10) = 0,∴1/(x+2+10/x)+1/(x+11+10/x)+1/(x-13+10/x) = x/(x²...