xe^sinx
    1.2*1000000=8.314*408.1/(x-0.000072360)-1.5883/(x*x+2*0.000072360*x-0.000072360*0.000072
    1.2*1000000=8.314*408.1/(x-0.000072360)-1.5883/(x*x+2*0.000072360*x-0.000072360*0.000072360)
    x/cos5-6+（75^2-10^2）^0.5=x*cos5+6+(75^2-（2*x*sin5+10）^2） ^0.5+10*sin5
    x/cos5-6+（75^2-10^2）^0.5=x*cos5+6+(75^2-（2*x*sin5+10）^2) ^0.5+10*sin5
    x/cos(5)-6+(75^2-10^2)^0.5=x*cos(5)+6+(75^2-(2*x*sin(5)+10)^2)^0.5+10*sin(5)
    X/131-(100-X)/1000=0.512
    e^x√sinx
    （x-sinx)/sinx=0.2
    （1＋x）＾9＝1.8
    39.8616 = （394.9446-x+298-304）/ln((394.9446-x)/(304-298))
    39.8616 = （394.9446+x-298-304）/ln((394.9446-x)/(304-298))
    39.8616=（394.9446-x+298-304）/ln((394.9446-x)/(304-298))
    828.771456275792*G-0.032340042785302=10
    828.771456275792*G-0.032340042785302=4
    a×0.7=34.9
    a×0.7=24.8
    a×0.7=14.9
    60=1/(0.010098*(1+0.026017*x^2)) 70=1/(0.010098*(1+0.026017*x^2)) 80=1/(0.010098*(1+0.026017*x^2)) 90=1/(0.010098*(1+0.026017*x^2)) 99=1/(0.010098*(1+0.026017*x^2))
    1=1/(0.010098*(1+0.026017*x^2)) 10=1/(0.010098*(1+0.026017*x^2)) 20=1/(0.010098*(1+0.026017*x^2)) 30=1/(0.010098*(1+0.026017*x^2)) 40=1/(0.010098*(1+0.026017*x^2)) 50=1/(0.010098*(1+0.026017*x^2))

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