化简不等式 ①3x-1≤x-2 13x+4>x-2②4(x-1)≤x+5 7+2x≤3(x+2) ③3(x-1)>2(x
化简不等式 ①3x-1≤x-2 13x+4>x-2②4(x-1)≤x+5 7+2x≤3(x+2) ③3(x-1)>2(x
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
解不等式组①2x>x-1② 3x+4≤5x 解分式方程2/x平方-4+x/x-2=1
几道解不等式|x+1|>x|x-1|+|x-2|=7(X^2-2x+1)(x+1)^3(2-x)/[(X+4)(X^2-
解不等式组x(2x-5)>2x×x-3x-4 (x-1)(x+3)+8x>(x+5)(x-5)-2
解不等式组:X-3(X-1)X≤7① 1-(2-5x)/3<x②
化简不等式 x-1+3x/2>-3 5x-12≤2(4x-3)②1-2(x-1)≤5 3x-2/2
解不等式x-1/x(2x+3)≤0
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
解不等式x*x+1/2x(3-2x)