0.7X-200≥X-240
    (x+1)²(1-x)>0
    (x+1)²(x-1)>0
    8-2x≤x-1
    100+x*6>11x
    -12x+1320>=220
    -(1/45)x^2+4x+60>=220
    xlnx+x-1>0
    2*0.3-4<3m*0.3-6m
    2*0.3-10+6<3m*0.3-6m
    2*2-10+6<3m*2-6m
    2*1-10+6<3m*1-6m
    2x-10+6<3*(1/3)x-6*(1/3)
    2-3m>0
    7(x-1)<4x+3 6(2x/3-1)>=2x-5
    16x>24x-32 9x>7x-6 2(x-4)<=x-6 4+x>5x-24 (x-7)/15<(x-2)/5 x/2-1<=3-3x/2
    16x>24-32 9x>7x-6 2(x-4)<=x-6 4+x>5x-24 (x-7)/15<(x-2)/5 x/2-1<=3-3x/2
    5-2x<2x-1 x+3<2x
    3x-5>2x-1 5x-6>2x
    x+1>=1

Home page << page268 page269 page270 page271 page272 ... ... page283page page284page page285page page286page page287page >> Last page 1276 pages in total