解方程 1.2x+8.8x=78 2x+9x-1.1=0 6.9x-3.8x=46.5 7.8x+2.2x=43.6
解方程 1.2x+8.8x=78 2x+9x-1.1=0 6.9x-3.8x=46.5 7.8x+2.2x=43.6
解方程 x*x*x + 2*x -19 =0
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
(x^2+x)(x^2+x-3)-3(x^2+x)+8=0解方程
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
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-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解方程:x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)
(X+X)+(X-X)+(X*X)+(X/X)=100
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1