(1)2X-1>0 X+1<3 (2)3(X-1)+13>2(5-X)怎么做?
(1)2X-1>0 X+1<3 (2)3(X-1)+13>2(5-X)怎么做?
(2x²-3x+1)²-22x+33x-1怎么做?
(x+2/x+1)-(x+4/x+3)-(x+3/x+2)+(x+5/x+4)
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
化简 x(x-1)+2x(x+1)-3x(2x-5)
x(x平方-1)+2X平方(X+1)-3X(2X-5)帮个忙
(2x+1)(3x+2)^2(x^2+5x-24)>0怎么做
(1)5X+1>2x+5 (2)x-4<3x+1
先化简再求值(3x+4/x²-1-2/x-1)*x-2/x²-2x+1,其中x是不等式组{x+4>0
|x+3|-|2x-1|+|x-2|>1怎么做
(x-1)^3(x+1)(x-2)/(x+4)