（2x+3.84）×（97.7+8.1x）＞1.6×（12.1+x）×51
    185.6x+16.2x^2+459.94+40.176x＞1012+88x
    3＜2x
    sinx<1.1*10^(-10)
    600+110x-10x^2>840
    log(2x-3,10-3x)>0
    (1000-10n)/√n>2
    50n^2-10002n+500000>0
    (1000-10x)/√x>2
    36*(m-1)^2-12*(m^2+1)＞0
    36*(m-1)^2-12(m^2+1)>0
    (（√2）m+1)(（√2）m-1)（2m+1）＜0
    (7*m-6)/20>0
    (m+2)/5<0
    (7*m-6)/20<0
    (m+2)/5>0
    (x+3)/3<(2x-5)/3-1
    12-4(3x-1)<2(2x-16)
    8x-2＞7x
    lnx>10.96155

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