[2x/(2x-1)]-2=[x/(2-x)] 2+[18/(x^2-16)]=(2x-1)/(x+4)

x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x 已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值 x/x平方-x+2=2x/x+1 解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1 x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^2002 x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4 (x^2+x-1)(x^2+x+2)=4 x*x+2x+x*x+10x+x*x+25+2x+x*x+1+1+16+x*x+4x*x+9-12x+16x*x+4-1 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) （X+4)(x-2)(x-4),其中x=-1 (x/x-1)+(5x-2)/x*x-x=1 求x（有图） 1/(x-4)(x-3)+1/(x-3)(x+2)+1/(x-2)(x-1)+1/(x-1)x+1/x(x+1)=1/x