解(10X+1)(500-10X)=8000

解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1 1/x(x+1)+1/(x+1)(x+2)+...+1/(x+9)(x+10)=1/(x+10),解方程 解方程：（2x+5)(4x*x-10x+25)=8x(x*x+1) 解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11?12 解方程：1/x(x+2)+1/(x+2)(x+4)+...1/(x+8)(x+10)=5/24. 解一元二次方程 3x²=10x+83x²-10x+3=0(x+8)(x+1)=-12(x+1)(2x 解方程:1/[x(x+1)]+1/(x+1)(x+2)+1/(x+2)(x+3)+.+1/(x+9)(x+10)=5/1 y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1 （x+1分之x+6)-（x^+3x+2分之3x^+10x+4）+（x+2分之2x+1)=0,解这个方程 解方程3x-10/x-3 +4x-5/x-1=6x-17/2x-5 +8x-14/2x-3 设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10), ⒈ 解方程 (X+7)/(X+6)+(X+9)/(X+8)=(X+10)/(X+9)+(X+6)/(X+5)