解方程:3/x=2/x+2; 解方程:3x²-4x-2=0.
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程:x(6-x)-2x(x+1)-(x^3-3x^4)/x²=4
解方程:x(x-2)-2x²=-3
解方程:x²+3x-1=x-2
(x-3)^2=4x(x-3) 解方程
2x+3x=18+4x解方程
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)
解方程】(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)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)