若3x-5

*-----------------------------------------------*| 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 || 若x^3+x^2+x+1=0,求代数式1+x+x^2+x^3+x^4+x^5+...+x^2006+x^2007的值 若x*x+x+1+0,求x^7+2x^6+x^5+x^4+x^3+x*x+1的值 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 若x等于它的倒数,求(X²-x-6/x-3)/(x-3/x²-5x+6) 若2x-3y+4=0则x（x*x-1)+x(5-x*x)-6y+7 若x(3x-4)+2x(x+7)=5x(x-7)+90,则x= 若x+x^2+x^3+x^4=0.求x^5+x^6+…+x^2004的值 若3x^2-x=1,求6x^3+7x-5x+2009 若分式[(x-1)/(x的平方-1)]除以[(x+3)/(x-5)]有意义,则x 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. 求余数1.(x平方-2x+3)除以(2x+3)2.(x五次方-1)除以(x-2)3.21x五次+33x四次-70x三次+21x平方+x-1)除以x分解因式2x三次+5x平方2x-94x三次-15x平方+8x+3x四次-5x三次+20x-16x四次-2x平方+3x-2x五次-10x平方+15x-6若有若( 若存在实数x满足不等式|x-3|+|x-5| 若x=√2,求代数式[(x^2-2x+4)/(√x^2-4x+4)]/[(x^3+8)/(x^2-4)]*[|6-x|/(x^2-5x-6)-[1/(x^2-x+1)]^-1的值 若x+2/3x-5 若(x^2+x+1)/x=4,则x^2/(3x^4-5x^2+3)= 若 x^2-3x-1=0 求 2x^4-7x^3+5x^2-x+4 若x满足1-7x＜3-5x,-3x＞0 化简代数式|x|-|x+1|