x²－770x+140x1.2x1000000x2＝0
    （-x）^x
    24x=（x-20）＾2
    x＾2-24x-480=0
    x^3+1/x^3=18
    sinx=0.95x
    sinx=0.7x
    3x×x-x-8
    e(1/x)*sqrt(3.14*x) = 5
    x^3-11x-6=0
    e(1/x)*sqrt(3.14*x)=4.385
    e(1/x)=2
    e1/x=2
    ex*sqrt(3.14)=4.385*sqrtx
    √1+x² -1
    x√1+x² -1
    ex*sqrt(3.14)=4.385*sqrtx
    ex=1
    X²+X=240
    e^x/sqrtx=2.47397

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