5（x－2）≥4x
    abs((x+1)/(x-1))<1
    21.35+0.25x<=25
    7x+12>3x
    20+0.25x<=25
    (0.9x－100)/√(0.09x)＞1.6499
    (0.09x－100)/√(0.09x)＞1.6499
    (0.09x－100)/√(0.09x)＞＝1.6499
    (0.9x-100)/√(0.09x)＞=1.6
    2x
    23.35+0.25x<=25
    13.11-0.3x>0.21
    13.11-0.3x>=0.21
    2x
    20.11-0.28x>=0.27
    13.11-0.3x<=20
    14+0.2x<=25
    3x+4<2
    20.11-0.28x<=20
    78k^2－60k＋17≥0

Home page << page577 page578 page579 page580 page581 ... ... page592page page593page page594page page595page page596page >> Last page 1276 pages in total