若X-1-5

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若x*x+x+1+0,求x^7+2x^6+x^5+x^4+x^3+x*x+1的值若x*x+x+1+0,求x^7+2x^6+x^5+x^4+x^3+x*x+1的值若x*x+x+1+0,求x^7+2x^6

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^3+x^2+x+1=0,求代数式1+x+x^2+x^3+x^4+x^5+...

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若2x-3y+4=0则x（x*x-1)+x(5-x*x)-6y+7若2x-3y+4=0则x（x*x-1)+x(5-x*x)-6y+7若2x-3y+4=0则x（x*x-1)+x(5-x*x)-6y+7x

若x满足x^5+x^4+x=-1,则X^1998+X^1999.+X^2004的值,若x满足x^5+x^4+x=-1,则X^1998+X^1999.+X^2004的值,若x满足x^5+x^4+x=-1

若2X*X-5X+(8/2X*X-5X+1)-5=0,则2x*x-5x-1的值为多少若2X*X-5X+(8/2X*X-5X+1)-5=0,则2x*x-5x-1的值为多少若2X*X-5X+(8/2X*X

若实数x满足x²-5x-1=0则x²+x+1/x²-1/x=x²-1/x²=若实数x满足x²-5x-1=0则x²+x+1/x

若分式[(x-1)/(x的平方-1)]除以[(x+3)/(x-5)]有意义,则x若分式[(x-1)/(x的平方-1)]除以[(x+3)/(x-5)]有意义,则x若分式[(x-1)/(x的平方-1)]除

若x满足x²-5x-1=0,则x-1/x=?若x满足x²-5x-1=0,则x-1/x=?若x满足x²-5x-1=0,则x-1/x=?x²-5x-1=0,两边除以

若3x^2-x=1,求6x^3+7x-5x+2009若3x^2-x=1,求6x^3+7x-5x+2009若3x^2-x=1,求6x^3+7x-5x+20093x^2-x=1,6x^3+7x^2-5x+

若X^5+X^4+X=-1,求X^1998.X^2004的值若X^5+X^4+X=-1,求X^1998.X^2004的值若X^5+X^4+X=-1,求X^1998.X^2004的值X^5+X^4+X=

若x/x-5与1-x/x互为相反数,则x的值为若x/x-5与1-x/x互为相反数,则x的值为若x/x-5与1-x/x互为相反数,则x的值为x/x-5与1-x/x互为相反数∴x/(x-5)+(1-x)/

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

若x^2-5x-1999=0,求[(x-2)^4+(x-1)^2-2]/[(x-1)(x-2)]若x^2-5x-1999=0,求[(x-2)^4+(x-1)^2-1]/[(x-1)(x-2)]若x^2

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,求代数式[

若x^2-5x+1=0,则x^2+x+1/x^2+1/x=若x^2-5x+1=0,则x^2+x+1/x^2+1/x=若x^2-5x+1=0,则x^2+x+1/x^2+1/x=答：x^2-5x+1=0两

若x^2+1/x=5,求x^4+x^2+1/x^4-x^2+1,若x^2+1/x=5,求x^4+x^2+1/x^4-x^2+1,若x^2+1/x=5,求x^4+x^2+1/x^4-x^2+1,x^4+

若x满足1-7x＜3-5x,-3x＞0化简代数式|x|-|x+1|若x满足1-7x＜3-5x,-3x＞0化简代数式|x|-|x+1|若x满足1-7x＜3-5x,-3x＞0化简代数式|x|-|x+1|1

若x+1/x=5,请你求出下列式子的值x^2+x^-2(x-1/x)^2若x+1/x=5,请你求出下列式子的值x^2+x^-2(x-1/x)^2若x+1/x=5,请你求出下列式子的值x^2+x^-2(