已知x+x/1=6,则x^2+x^2/1= 则（x-x/1)^2= 则（x^4-2x^2+1）/x^2=

已知f(x+1/x)=x^2+1/x^2+1/x则f(x) 已知X^2-X-1=0,则-X^3+2X+2006X^*X为什么=X^2+X 已知x=1/x,求x^2-6x+9/x-3/x+3/x^2+6x+9 已知x=2π+1求 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10| 已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^+x^6+x^7+x^8的值 已知x=2π+1.求(X-1)+(X-2)+(X-3)+(X-4)+(X-5)+(X-6)+(X-7)+(X-8)+(X-9)+(X-10) 已知x*x+x-1=0 求x*x*x-2x+11=? 已知x*x+x-1=0求x*x*x-2x+2010的值 已知（3x+1)(x-1)-(x+3)(5x-6)=x^2-10x+m,则m= 已知（3x+1)(x-1)-(x+3)(5x-6)=x^2-10x+m,则m= 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X |x+1|-|x|+|x-2|-|-x+3|已知x+2 *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 已知(x-2)(x-5)/(x-3)(x-4)=x+1/x+2,则x= 已知x=300,x/x-3-x+6/x^2-3x+1/x=?写分数 已知f(x)=x(x-1)(x-2)(x-3)(x-4)(x-5),则f‘(0)为 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 已知x∈{1,2,x²},则x=