|x+3|-|2x-1|+|x-2|>1怎么做
|x+3|-|2x-1|+|x-2|>1怎么做
lim(sin(x^2*cos(1/x)))/x怎么做?
[3-2x/1-x]-1=[x+2/x-3]怎么做
(2x+1)(3x+2)^2(x^2+5x-24)>0怎么做
(2x²-3x+1)²-22x+33x-1怎么做?
(5x+2)(x-2) -5(x+1)(x-3)怎么做
2x/3+75%x=1/6怎么做
2x/(x^2+x)-1/x=5/(x+1)怎么做?
2x^4-x^2-x-5除以x^2+1用多项式除法怎么做,结果是2x^2-x-2-3/(x^2+1)
2^(1-x)=3^(2x+5) 用In求X怎么做 在线等?
(x-3)(x+5)-(x+1)²这道题怎么做?
-(x+2)?^2+16(x-1)^2怎么做?