(16+4m^2+16m)/m^6-(8/m^2+4)*(((4+m^2+4m)/2m^4)-2)>0
    x（7-x）小于78
    abs（x^2-4x+6）＜1
    abs（6-3x）＜2x-1
    （2x-1）/（x+1）＜1
    （x-1）/（x+2）＜0
    e(x-1)-1>lnx
    abs(2x-3)≤x+1
    k＾2+k>-1/4
    abs(x-2)-abs(4-2x)≤-1
    abs(1-2x)≤7
    m²+3m-28＜0
    m²-8m+15＜0
    85x+85(20-x)<=1480
    -x^2-1/6x-1/3≤0
    57x^2－2150x＋11400≤0
    （50+10*x）（200-10*x）＞15000
    （50+10x）（200-10x）＞15000
    x+4x+5>1
    abs（4-3x）＜11

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