abs(3x-5)<3
    53.97975-0.15n-0.2n(n-1)<(n-1)0.4+0.15
    2x-1/3-4x≥1
    -x-1/2x-3>0
    x+1/3x-2≥0
    tanx>8/7
    tanx>7/8
    x^2-50x+30000≤0
    4（k-1）^2-4（k^2-1）＞0
    1-x<=1-ln(x+1)
    tanx>4/6
    tanx>8/6
    x/6
    3(x-1)<2x+4 (x-1)/3>= x/2-1
    2x2+x+1>0
    x-1/5>x+2/2
    -4x+8＜0
    8x-5>=X+16
    tanx>4/7
    tanx>8/7

Home page << page483 page484 page485 page486 page487 ... ... page498page page499page page500page page501page page502page >> Last page 1275 pages in total