0.342≤0.6667×sin(3.14×A)+A×(1-sin（6.28×A）÷6.28×A）×0.875+4
    1-3x+3<6-x
    x-4+6≥2x 1
    x+2/6≥1
    6/x+2≥1
    3-（x-1）<2x+1+x
    312.65×10^6≤610×10^6×sin(0.72)×sin(0.72)×sin(0.72)+40127.4×A×（sin（0.72）+sin（2.481））
    1/1-x
    x/1-x<1/1-x
    sqrt(x-2)>=4-x
    1/x-1+1/x-3>1/x-5+1/x+1
    x^4-8*x^2+4>0
    1.6=3.036sin(3.14x)*sin(3.14x)*sin(3.14x)+14.3*x*[1-sin(6.28x)/(6.28x)]*{sin(3.14x)+sin[3.14*(1.25-2x)]}/[(1.25-3x)*3.14]
    0.0119=3.036*sin(3.14x)*sin(3.14x)*sin(3.14x)+14.3*x*[1-sin(6.28x)^(6.28x)]*{sin(3.14x)+sin[3.14*(1.25-2x)]}^[(1.25-3x)*3.14]
    5x+56
    3/2－m>0
    3M－1>0
    X1+X2-2≤0;X1+5X2-5≤0;X1≥0;X2≥0
    x^4-8x^2-9<0
    -sqrt(x^2+1)<2-2x

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