x^2-x-1＞0
    (1.5/x+7)*16*0.064*0.064/(3.14*3.14*x*x*x*x*2*9.8)≤2
    (1.5/x+7)*16*0.064*0.064/(3.14*3.14*x*x*x*x*4*9.8*9.8)≤2
    0.30x^2-0.60x+1≤0.9
    x^2-3x+3>0
    7x^2-13x+2≤0
    66500+15%x>83000
    31.3-x+x×6%/4≥50
    ln(2n^2)<4.5
    25n^2-5001n+2500>0
    25n*2-5001n+2500>0
    2<12÷x<3
    x×x－3x＋5＞0
    0<0.5-2x<1
    2x>34
    3^x＞5*x
    a^2+2a+1>2
    3x^3+15x^2-42x>0
    3x^3-15x^2-42x>0
    -x＾2-x+6≥0

Home page << page850 page851 page852 page853 page854 ... ... page865page page866page page867page page868page page869page >> Last page 1276 pages in total