求四道解方程x*14/15=1/71/2x÷3/10=4/5(4/5+1/6)x=2/3(1-3/8)x=10
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程3x-10/x-3 +4x-5/x-1=6x-17/2x-5 +8x-14/2x-3
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
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
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),
解分式方程:x-3/x-1-x-4/x-2=x-5/x-3-x-6
方程(x+1)(x+2)(x+3)(x+4)(x+5)(x+6)(x+7)(x^2+8x+9)+64=0
解方程:(4/x-2)+(x-1/x-5x+6)+(2/3-x)=0
5x-4/x-2=4x+10/(3x-6) -1 解方程