1.3x+1＝23
    82.482+x＝33.7+94.699-x
    （8x-3.6）/0.9=15
    4+5=x
    x=4+5
    3*x^2-12*x-13＝0
    x^2-abs（x）=0
    0=4.98718+1.06536*x-0.0001937*x^2
    a+（a*10%）=1200
    0=6.98718+1.06536*x-0.0001937*x^2
    0=4.98718+1.06536*x-0.0001937*x^2
    0=1.85933+0.77769*x+0.00006525*x^2
    0=-3.14+0.77769*x+0.00006525*x^2
    0=-14.725+1.34313*x-0.000511262*x^2
    log(10,x)=1.15254
    16=25+a^2-5×sqrt(2)×a
    X+1.1x=191
    0.00018129*x^2-2989.657-14.2367*exp(-0.00048398*1.414/2*0.98*x*1.01223) = 0
    0.00099428*x^2-2989.657-14.2367*exp(-0.00048398*1.414/2*0.97*x*0.97179) = 0
    0.14061*x^2-2989.657-14.2367*exp(-0.00048398*1.414/2*1.05*x*1.38494) = 0

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