-20x^(2)-9x+20≤0
    a^(2)-7a+6≥0
    x^(2)+x-6>0
    4-3(x+1)/4>=5(x+2)/8+2
    (2m+1)^2-4(m^2-2)>0
    －a^2－3a+10≥0
    －a^2-a+10≥0
    －4a^2＋6a＋4≥0
    （a＋1/2）^2≤41/4
    (a－3/4）^2≤25/16
    5x-2x^2-x>0
    x^2+2*x-5=0
    x^2-2*x+5=0
    (4-sqrt(16-48*x^2))/(2x^2)>1
    (4+sqrt(16-48*x^2))/(2x^2)>1
    1+((21-9x)/(x*(x+9)))≤-10/(x+9)
    （0.6x+6）➗（0.4x+14）=1.2
    （0.4x+14）➗（0.6x+6）=1.2
    3x-1≥2（x-1）
    x^(2)－2>0

Home page << page1150 page1151 page1152 page1153 page1154 ... ... page1165page page1166page page1167page page1168page page1169page >> Last page 1275 pages in total