16x－x²≤17
    300+80x>x
    3000>x
    -1/2x^2-3x-5/2<0
    -1/2x^2-3x-5/2>0
    (-4)×a-4/4>0
    -4a-4/4>0
    sqrt(5-4*x-x^2)≥x
    sqrt(5-4*x-x^2)≤x
    2x>1-x x+2<4x-1
    -6t＞15
    x²-4x-5≤0
    -7n+3n^2>20000
    a＾2＞2a＋3
    (x+1)/(2x-1)>1
    （x+1)(2x-1)>1
    2^x－2≥0
    a^－3a≥a^－a+3
    4－x≥0
    16+4n＜0

Home page << page412 page413 page414 page415 page416 ... ... page427page page428page page429page page430page page431page >> Last page 1275 pages in total