解方程:(4x/x^3+2x^2+x)+(5x/x^3+2x^2-5x)+3/2=0
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解方程:(4x/x^3+2x^2+x)+(5x/x^3+2x^2-5x)+3/2=0
解方程:(4x/x^3+2x^2+x)+(5x/x^3+2x^2-5x)+3/2=0
解方程:(4x/x^3+2x^2+x)+(5x/x^3+2x^2-5x)+3/2=0
4x/(x^3+2x^2+x)+5x/(x^3+2x^2-5x)+3/2=0
4/(x^2+2x+1)+5/(x^2+2x-5)+3/2=0
设y=x^2+2x+1=(x+1)^2
4/y+5/(y-6)+3/2=0
8/y+10/(y-6)+3=0
3y^2=48
y^2=16
y=4 y=-4(不合题意,舍去)
(x+1)^2=4
x+1=±2
x=1 x=-3
经检验,x=1 x=3都是原方程的解
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
解方程x(x-1)(x-2)(x-3)(x-4)=24x=?
解方程:x(3x-4)+2x(x+7)=5x(x-7)+90
解方程:x-2x+3x-4x+...+99x-100x=25
解方程:x-2x+3x-4x+.+99x-100x=25
解方程(x+1/x-1)+(x-2/x+2)+(x-3/x+3)+(x+4/x-4)=4
解方程:(x+3)/(x+2)-(x+4)/(x+3)=(x+5)/(x+4)-(x+2)/(x+1)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程 (x+2)/(x+1) - (x+4)/(x+3)=(x+6)/(x+5)-(x+8)/(x+7)
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程;x/x-4=5x/x-2
解方程:x(x-4)=(x-2)(x-6)
3x^2-4x=2x 解方程