4/1<10/9x<1/3
    2^x>x^2
    abs（x^2 -3）<1
    abs（x^2 -1）<2
    x^2-4x-1≤0
    (x-1)^2(x-2)^2(x-3)>=0
    17*x*x-8*x+144＜0
    －m／1＜5
    x/3<=3-(x-2)/2
    4x-7>5x-5
    3X^3-20X^2+6X-30<0
    log (X,9)>(1/3)
    log (X,9)>2
    log (25,X)>2
    log (25,X)>5
    sqrt (X)>1
    sqrt (X)<3
    3X>15
    x＜56
    x^2-2x-3<5

Home page << page452 page453 page454 page455 page456 ... ... page467page page468page page469page page470page page471page >> Last page 1275 pages in total