解方程.0.9*(9-X)=2.7 0.6X+20=26 8/(3X+1)=0.2 5X-2*0.3=4.4
解方程.0.9*(9-X)=2.7 0.6X+20=26 8/(3X+1)=0.2 5X-2*0.3=4.4
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-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(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程1/x(x+1)+1/(x+1)(x+2)+...+1/(x+8)(x+9)=2x+3/x(x+9)
解方程:1\x(x+1)+1\(x+1)(x+2)+.+1/(x+8)(x+9)=2x+3\x(x+9)
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
解方程 3x/x×x-1+x×x-1/3x=5/2
解方程:2x+9/x+3 - 1/x-3 = 5 - 3x-2/x