0.5x-1>7-1.5x
    （x-1）/2+2>-x
    110÷x<100÷4
    25x>50000
    275x>50000
    75x>50000
    1－x≤2
    6x+30-2x-14>12
    5x-2<7
    2x大于-2
    x*x+x>2
    1/x+1>x
    0/x+1>x
    x>x*x
    0.5(x+1)<=2/3x-1 (x+3)/2-(2x-1)/3>1 3x-1>2(x-1) (x+1)/6-(2x-5)/4>=1
    3m-5^（3+m）>4
    0.948*10^5*（23.76^1.77）÷x^4.77*208*0.404≤0.2*30
    1.05^x>1.03^(x-1)
    11X≥-11
    1000y+120-6y/4*500≤18200

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