e^b-2b+2＜0
    a^2+3a-4≥1
    x^2-3x-27<0
    4000m+2400×16-2400m＞4500m+2100×(16-m)
    26700+x×（1-10%/4）≥50000
    38<=1+4k+2[(k^2+k)^1/2]+2[(k^2-k)^1/2]<42
    168-x-x×10%×3/4≥30
    a2+700a+60000≥0
    (5-x)/2>1/3
    -x*x+4*x-3<=1
    -1/2＜-log（9，x）
    log((x+1),(x^2+x-6)^2)>4
    log((x+1),(x^2+x-6)^2)>=4
    lg(x+6)
    sqrt(log(2,x))<3-log(2,x)
    4^x>3^x
    12x^2-52x+55<=0
    12x-52x+55<=0
    5＞2a
    4＞2a-1

Home page << page437 page438 page439 page440 page441 ... ... page452page page453page page454page page455page page456page >> Last page 1276 pages in total