2x*2x+3x-1=2,则代数式6x*6x+9x-5=几
代数式6x+2x²-3x+x²+1,其中x=-5
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
若代数式2x^2+3x-1,则代数式6x^2+9x-5=?
求代数式的值 6x+2x²-3x+x²+1 其中x=-5 4x+3xy-x²-9 其中x=
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
若x^2+3x-1/3=0 则代数式x-3/(3x^2-6x)除以[x+2-5/(x-2)]的值是
若x^2 3x-1=0,则代数式x-3/(3x^2-6x)除以[x+2-5/(x-2)]的值是多少?
若x²+3x-1/3=0 则代数式x-3/3x²-6x÷(x+2-5/x-2)的值
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),
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8