8x/9=1/6×61/51

x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1

x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,x=4..思路..将第二项移到右边..第三项移到左边..两边

分式方程.x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)分式方程.x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)分式方程.x/(x-2)+(x-9)/(x-7)

x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)谁会解这道方程题x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)谁会解这道方程题x/(x-2)+(x-9)/(x-7

x/(x-2)+(x+9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)怎样解这道方程x/(x-2)+(x+9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)怎样解这道方程x/(x-2)+(x+9)/(x-7)=

解方程：x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)解方程：x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)解方程：x/(x-2)+(x-9)/(x-7)=(x

1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7这个方程怎么样求解?1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7这个方程怎么样求解?

1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少1X?+2X?+3X?+4X?+5X?+

y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=10值?需要简单过程,先谢啦有才人士多帮忙啊y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x

f(x)=x^9+x^8+x^7+x^6+x^5+x^4+x^3+x^2+x+1在有理数域、实数域上的不可约多项式乘积f(x)=x^9+x^8+x^7+x^6+x^5+x^4+x^3+x^2+x+1在有理数域、实数域上的不可约多项式乘积f(

如下9*9宫图如何填xxx1xxx29xx5xxxxx4x68xxxxxxxxx7xx5xxx2xx6xx8xxx3xx9xxxxxxx5x16x4xxx3xxxx7xxxx2xxx如下9*9宫图如何填xxx1xxx29xx5xxxxx4x

x+x+x+x+x+x+x+7+8+6+5+4+3+2+1+9=1951x+x+x+x+x+x+x+7+8+6+5+4+3+2+1+9=1951x+x+x+x+x+x+x+7+8+6+5+4+3+2+1+9=1951x=1906/7数=27

(x+1)(x+2)(x+3)(x+4)(x+5)(x+6)(x+7)(x+8)(x+9)(x+10)请化简我说的是化简化成x^10+ax^9+bx^8+cx^7+......+n的形式(x+1)(x+2)(x+3)(x+4)(x+5)(x

(x+1)(x+3)(x+6)(x+8)+9=0,求x(x+1)(x+3)(x+6)(x+8)+9=0,求x(x+1)(x+3)(x+6)(x+8)+9=0,求x(x+1)(x+3)(x+6)(x+8)+9=[(x+1)(x+8)][(x+

x(x的平方-6x-9)—x(x的平方-8x-15)+2x(3-x),期中x=—6分之1先化简,后计算x(x的平方-6x-9)—x(x的平方-8x-15)+2x(3-x),期中x=—6分之1先化简,后计算x(x的平方-6x-9)—x(x的平

(1)x^2-6x+9/x^2-4,其中x=3;(2)x^2-4x/x^2-8x+16,其中x=5(1)x^2-6x+9/x^2-4,其中x=3;(2)x^2-4x/x^2-8x+16,其中x=5(1)x^2-6x+9/x^2-4,其中x=

X(X的2次方-6X-9)-X(X的2次方-8X-15)+2X(3-X),其中X=1/3.先化简,再求值X(X的2次方-6X-9)-X(X的2次方-8X-15)+2X(3-X),其中X=1/3.先化简,再求值X(X的2次方-6X-9)-X(

（1）x-3/x-2-x-5/x-4=x-7/x-6-x-9/x-8(2)已知x+3/(x-2)^2=A/x-2+B/(x-2)^2,求A和B的值.（1）x-3/x-2-x-5/x-4=x-7/x-6-x-9/x-8(2)已知x+3/(x-

(7x-5)\4=3\8(2x-1)\6=(5x+1)\81\2x-7=(9x-2)\61\5x-1\2(3-2x)=1(2x+1)\3-(5x-1)\6=11\7(2x+14)=4-2x3\10(200+x)-2\10(300-x)=30

1.(x+7)/(x+6)+(x+9)/(x+8)=(x+10)/(x+9)+(x+6)/(x+5)2.已知：-x+13/（x-5)(x+3)=A/(x-5)-B/(x+3).求A,B3.已知abc=1,求a/(ab+a+1)+b/(bc+