8x²+80x=1182
    0.955/2.9=(6((x/596.6)^(2/1.4)-(x/596.6)^(2.4/1.4)))^(1/2)
    2.9=0.955/(6((x/596.6)^(2/1.4)-(x/596.6)^(2.4/1.4)))^(1/2)
    0.237*sinx/cos（x-5）+0.01+0.01*sinx＝1
    0.074*sinx/cos（x-5）+0.01+0.01*sinx＝0.074
    0.074*sinx/cos（x-5）+0.01+0.01*sinx＝0.074
    0.074*sinx/cos（x-5）+0.01+0.01*sinx＝0.074
    0.237×sinx/cos(x-5)+0.01+0.01×sinx=0.237
    0.181×sinx/cos(x-5)+0.01+0.01×sinx=0.5
    0.181×sinx/cos(x-5)+0.01+0.01×sinx=0.5
    0.237*sinx/cos（x-5）+0.01（1+sinx）＝0.237
    0.237*sinx/cos（x-5）+0.01（1+sinx）＝0.237
    0.05*sinx/cos（x-5）-0.01(1+sinx）＝0.05
    （0.237*sinx）/cos（x-5）+0.01*(1+sinx）＝0.237
    （0.237*sinx）/cos（x-5）+0.01*(1+sinx）＝0.237
    0.259*sinx/cos（x-5）+0.01*(1+sinx）＝0.259
    220×2.5×60%+x×40%=540
    220×2.5×60%+x×40%
    0.237*sinx/cos（x-5）+0.01*(1+sinx）＝0.237
    0.237*sinx/cos（x-5）+0.01*(1+sinx）＝1

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