2x-3<=1/2(x+2)
    3x-5<2(2+3x)
    3x>-1
    x-17<-15
    x+sqrt(x^(2)+1)＞0
    （a-2）(a+1)>1
    56+2x-2<25x
    （X+2）(1500-10X)>3000
    2x＜0
    3000≥20x＋30（x－5）
    x*(x-1)*(x-2)*(x-3)≥1000
    x*(x-1)(x-2)(x-2)≥100
    1÷a-1≥1
    1÷a-1≤1
    64/（8-X）-4≥4
    100（5x+1-3/x）大于等于3000
    tanx<√3
    X-7>26
    x+8<4x-4
    x+8<4(x-1)

Home page << page796 page797 page798 page799 page800 ... ... page811page page812page page813page page814page page815page >> Last page 1275 pages in total