1/x=5
    x=(35×0.8×0.9×〖10.48〗^2)/12
    x=
    3x+4=1
    x^3-6*x^2+3x+10=0
    x^3 + x^2 - 3x - 3 = 0
    74618=30.08x+0.0022x^(2)
    10lg(10^2.81+10^3.2)
    10lg(10^2.81+10^5.57)
    (-0.03x*x+2x+38)*0.1=5
    76857=30.08x+0.0022x^(2)
    q^2-20q-30=0
    60000=30.08x+0.0022x^(2)
    45000=30.08x+0.0022x^(2)
    9.23*ln((110-x)/(x-97.62))=207.62-2*x
    39946=30.08x+0.0022x^(2)
    10lg(10^2.81+10^5.13+10^3.2)
    10lg(10^2.81+10^6.98+10^5.57)
    42459=30.08x+0.0022x^(2)
    X+X*0.03=907.65

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