-(2x-4)/(x-1)>0
    m^3-3*m^2+2<0
    -8m^2-4m>-3
    -8m^2-4m>1
    25x*x+60x+33>0
    (40-30+m-40)(40-m+40)≥525
    1/（x-3）+1/（x-2）>= 1
    3-2x＞1
    0.99<10000(1-e^(-60/(10001*x)))*x/60
    0.99<10000(1-e^(-t/(10001*x)))*x/60
    0.99<10000(1-e^(-t/(10001*x))*x/60
    0.99<(1000(1-e^(-60/(10001*x)))/60/x
    0.99<(1000(1-e^(-60/(10001*x)))/60/x
    8X²-22X+15＜0
    1/(x+1)<3
    1/(x+1)>2
    1/(x-1)<1
    1/(x-1)>0
    1/(x-1)<3
    1/(x-1)>2

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