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
    log(x,2)>x/2
    3z-8-5(z-1)>=1 3z-8-5(z-1<5
    120a^2＋45a-4≥0
    120a^2＋45a＋4≥0
    -x－3＜-2＋1
    －3x－4＜4x＋10 x＋3/2＞2x＋1
    x-5/6＞-6/2x+13

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