4(2x-1)-2(10x+1)=3(2x+1)-12求解
求解方程(x-1)/(x²-5x+6)+(x-2)/(x²-4x+3)=(x-3)/(x²
求解不等式 -3x²+5x-4>0 x(1-x)>x(2x-3)+1
求解方程1-x-2/3=1-x/5
|x+1|=|2x-3| 绝对值方程求解,
6x²+2x=(1+3x)(2+x)一元二次方程求解,急
6x²+2x=(1+3x)(2+x)一元二次方程求解
3x(x^2-2x+1)-2x^2(x-1)求解!
(3X-1)(X+2)=11X-4方程求解
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
Ё求解一道方程,x^2-4(1-2x)^2+x+3(1-2x) =1
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
1/(X+2)+1/(X+5)=1/(X+3)+1/(X+4)江湖救急,方程求解!