1/X+1/(1+5)=1/6这道题怎么算X?
3(1/3x-1/5x)=x-1-1/3x-1/5x 这道题怎么算?
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
3/x-1=4/x 6/x+1=x+5/x(x+1)
1/X+1/(1+5)=1/6这道题怎么算X?
(x-3)(x+5)-(x+1)²这道题怎么做?
(2x+1)²-(x+3)(3-x)=6x怎么简便算?
x²+2x-6/x²+2x=1怎么算
1.5X+20=1X(50-X)怎么算?
5x-4/x-2=4x 10/3x-6-1 怎么解
3/5x+(x—1/6x)+x=930怎么解?
x(x+1)=5 怎么求X等于多少
(X-3)/(X^2-4)*(X^2-4X+4)/(x^2-x-6)-1/(x+2)怎么算?