1÷a-1≤1
    64/（8-X）-4≥4
    100（5x+1-3/x）大于等于3000
    tanx<√3
    X-7>26
    x+8<4x-4
    x+8<4(x-1)
    e^x > x^50
    1.35*（0.9-X）>1.1
    1.35*(0.9-x)<1.1
    -x^2+54x-104>=0
    1+2x＞3x-3
    -3(x－2)≥4-x
    －3/x≤2/3-x
    3x-4＜5x-1
    120-a≤5a÷3
    xxxx-10xxx+35xx-50x+24≤0
    tanx≥-10000
    lg(asinx)-sqrt(1/x)+(tanx)^0＞-5
    lg(acos(x-3))-sqrt(1/x)+(tanx)^0＞-5

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