x^2+5x-elnx<0
    x²+x-6＜0
    (1+5^0.5)^x-(1-5^0.5)^x>2^2x
    0.8*1000m+0.6*750*(50-m）≥29500
    x＞3
    x^3+x≥1
    2cos(2x)-4sinx＜0
    6x（x-1）＞0
    1/(1+x^(1/2))<=lnx/sqrt(x)
    1/(1+x^(1/6))<=lnx/sqrt(x)
    1/(1+x^(1/8))<=lnx/sqrt(x)
    (e^(-0.5*x^(1/4)))/((1+x^(1/8))sqrt(3.14))<=lnx/sqrt(x)
    x+（x^2-8）^1/2＜0
    7x-173/24>2.3
    (1-(200-x)^(-3))>=0.333
    sqrt(x)>(1+x^(3/8))*lnx
    sqrt(x)>lnx(1+x^(3/8))
    x^(1/8)>sqrt(lnx)
    (2k+1)^2-4(k^2+1)>0
    2πx^2-3π^2*x^2+100πx≤0

Home page << page252 page253 page254 page255 page256 ... ... page267page page268page page269page page270page page271page >> Last page 1275 pages in total