x^4-1.36*x^2+0.0396>0
    x^4-1.36*x^2-0.0404<0
    12x^2-72x>0
    4x^3-36x^2＜0
    0
    0
    1-（0.6）^n>=0.9
    3x+3<0
    [(400*0.9)-300]*x+(324-300)*(100-x)<3210
    1ex^1.01>1ex*1e8
    1/(1-x)^(1/3)>1/3
    （1+X）e^（-X）<=0.01
    （1+X）e^（-X)>=0.01
    （1+X）e^（-X）>0.01
    x（9-x）＞0
    13-4*x^2＞0
    e^(-3.14x/(1-x^2)^0.5)≤0.15
    e^(x/(1-x^2)^0.5)≤0.15
    20x^12-21x^11-120x^7+219x^6-101x^5+1≤0
    x^2-3x-10>0

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