2(x-2)-3(3x+2)=x+6怎么做 X=几?
2(x-2)-3(3x+2)=x+6怎么做 X=几?
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
x(x-3)=(x-2)(x-6),x值为几?
2x/3+75%x=1/6怎么做
已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值
x*x^3+(-2x^2)^2+14x^6/(-4x^2)怎么做?
[3-2x/1-x]-1=[x+2/x-3]怎么做
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
52+2X=3X-1x是几
4x-3(x-2)=3x+6怎么做
2x+3=3x解方程怎么做?
2/x+3/3-x=0这道题怎么做