(x^2+4x-3)/(1-x^2)≥0用穿根法怎么做?
(2x²-3x+1)²-22x+33x-1怎么做?
|x+3|-|2x-1|+|x-2|>1怎么做
(2x+1)(3x+2)^2(x^2+5x-24)>0怎么做
3+2分之1x=4x和3x—2(5x—4)=2+(5—6)x怎么做
x*x^3+(-2x^2)^2+14x^6/(-4x^2)怎么做?
合并同类项!(2x²+x)-[4x²-(3x²-x)]怎么做
高数中0/X型怎么做?例如:lim(x→√2)(x²-2)/(x²+1)
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)
limx趋于0(x^3-5x^4)/(x+x^2)极限怎么求
(x-1)^3(x+1)(x-2)/(x+4)
(x+1)(x+2)(x+3)(x+4)+1
(x+2/x+1)-(x+4/x+3)-(x+3/x+2)+(x+5/x+4)