X十1/4X=9/10 1/2X-1/3x=5/6
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X十1/4X=9/101/2X-1/3x=5/6X十1/4X=9/101/2X-1/3x=5/6X十1/4X=9/101/2X-1/3x=5/6
X十1/4X=9/10 1/2X-1/3x=5/6
X十1/4X=9/10 1/2X-1/3x=5/6
X十1/4X=9/10 1/2X-1/3x=5/6
已知1十x十x^2 十x^3=0,求x十x^2十x^3十x^4+x^5十x^6+x^7十x^8的值
X.(X十1)x(X十2)x(x十3) =360
1/(x^2一4x十3)十1/(x^2一8x十15)十1/(x^2-12x十35)十1/(x^2一16x十63)=
x十1/3[x十1/3(x-9)]=1/9(x-9)-1解方程; 1/9{1/7[1/5((x十1/3[x十1/3(x-9)]=1/9(x-9)-1解方程; 1/9{1/7[1/5((x十2)/3十4)十6]十8}=1求x!
x^2十2x十1=4
4X十3(X十1)=31
x+1/x=3,求(x^4十x^2十1)分之(x^2)
解方程:(x一3)(x十1)=x(2x十3)一(x的平方十1)
X十1/4X=9/10 1/2X-1/3x=5/6
在a平方十1,7x十8,9-2x=6,7十8=15,6x-3x=3x,3x-2y=1,3x-2=6,x平方十2x-1,x-y=2,x十3=1/2,1/x+3=4中,请问有()个一元一次方程.
x十3/x+2=k/(x+1)(x+2)十1 25题
解方程(1/x十1)十(1/x十4)二(1/x十2)十(1/x十3)
2分之x—3十3分之6—x=1十4分之1十2x
3(2x一1)十5(1一2x)十2x十4=0怎么解
3(x十2)=4(x+1)
10(3x十2)一20=5(2X一1)一4(2x十1)
1/x^2一6x十8=1/x^2一4x十3x^2一6x十8和x^2一4x十3
(1)(X一3)(X一2)十18=(X十9)(X十1) (2)(3X十4)(3X一4)<9(X一2(1)(X一3)(X一2)十18=(X十9)(X十1)(2)(3X十4)(3X一4)<9(X一2)(X十3)