-0.69582*x^2+9.47865*x+1.03581＞30.65
    -0.69582*x^2+9.47865*x+1.03581＞37
    0.69582*x^2+9.47865*x+1.03581＞37
    2x-4/4≤14-16/4x
    -4082750+3000000+X-450000-X*10%/4>300000
    50z+80(500-z)<=34000
    5x+2>3(x-1) x/2-1<=7-3x/2
    5x+2>3(x-1) x/2-1=<7-3x/2
    -x^2-8x＞0
    258.075x∧2－970.7355x-2492.3442＞＝0
    258.075x∧2＋593.818x＋359.7333＞＝0
    2^(x-1)>10x
    2^(x-1)>50
    0.5×5.024×(58×14.1+70x)+2.0096×(240.8+(26.04x^2+624.204x+3730.86)/(14.1+x))≥3333.6488+11.45
    11.46x∧3－269.58x∧2＋463.296x＋60058＜＝0
    2750.07＋213.775x＋(7994.7＋1337.58x＋55.8x∧2)÷(14.1＋x)＞＝7565.146＋11.46x∧2
    -x+1＞-2/x
    sinx/x≥0.9
    x/arcsin（x/2）≥0.9
    k^4-2.5*k^2+0.5>0

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