abs(x-1)<4
    absx-1<4
    （3x+1）≤0
    （3x+1）（x-1）≤0
    269＞x
    3x+1≤0
    (ab-1)/ab＞0
    ab＞1
    3*m+m*m＜0
    4m^2-8m-12<0
    －5／2a+7≧0
    －2／5a＋7≧0
    x^2-28x+192≤0
    x+2<1 (x+1)/4>-0.5
    x+2<3x 4(x-1)
    0.24/h≤1/1.5
    310x+460(50-x)<18000
    （200+18.25*0.8b）/b≤178
    (200+18.90.8x)/x≤178
    {(a*1.25)/[0.6*(a*1.25)+0.73]}/{a/[(0.6*a)+0.73]}＞1.06

Home page << page472 page473 page474 page475 page476 ... ... page487page page488page page489page page490page page491page >> Last page 1275 pages in total