2x*x+x-6＜0
    x*x-x-6<=0
    ax=1
    x^2=(x-4)^2+8^2
    -x^2/3+3.5*x-1>=3.5
    x^2-5x+2018≥0
    x^2-7x+2022≤0
    14x<1
    4a^2-4a>0
    b^2+6b+16>0
    （6k)^2-32k<0
    （6k)-32k<0
    -3x^2+8x<4
    （k^2+4k+4）^2-4k*（16-k^2）<=0
    x/(x-1）<2
    3(1-x)<=1-(2x-1)
    2x+1
    1000/40
    1+1
    t^2*(t^2+1)*(0.25^2*t^2+1)= 192.3

Home page << page1134 page1135 page1136 page1137 page1138 ... ... page1149page page1150page page1151page page1152page page1153page >> Last page 1275 pages in total