1+g/g=12
    x*lnx=0.744864
    33.807ln(x) + 3.3843=84.1
    33.807ln(x) + 3.3843=50
    x*92+(1-x)*75=83.5
    2q^2-5q+2=0
    3q^2+10q+3=0
    9943*（1+x）=9974
    sin(x)=csc(1/x)
    sin(1/x)=cscx
    sin(1/x)=1/sinx
    33.741ln(x) + 4.8844=84.1
    sin(1/x)=cscx
    33.741ln(x) + 4.8844=50
    sin(1/x)=cscx
    sin(1/x)=1/(sin(x))
    sin(x)*sin(1/x)=1
    x^2+10x+424×424-100=0
    sin(x)=1/sin(1/x)
    sin(x)*sin(1/x)=1

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