2/3x+11=5/6x 怎么算?
X/2-5X+11/6=1+2X-4/3怎么算
7x(x-6)+3x=4x(2x+5)怎么解这个方程
解高次方程x^6-63x^5-5x^3-11x^2-43x=101怎么解呀?
(x+5)²-(x-2)(x-3) =x²+10x+25-(x²-5x+6) *5x怎么来
(2x+1)²-(x+3)(3-x)=6x怎么简便算?
(-x+2x²+5)+(4x²-3-6x)怎么算?
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
5x-4/x-2=4x 10/3x-6-1 怎么解
2X=5X怎么算?
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
(-x+5)(x-3)(x+6)怎么算
(x+5)^2=10+(x+5)x怎么算