-2*（1+x^2）/（1-x）＝2
    -2*（1-x^2）/（1+x）＝2
    -2*（1+x^2）/（1+x）＝2
    -2*（1-x^2）/（1-x）＝2
    X=（186.67+16.82+0.93+0.94+20.44+0.1X）×0.788
    （186.67+16.82+0.93+0.94+20.44+0.1X）×0.788
    X=（225.8×0.1X）
    oae-266
    x(x+2)=3x+6
    x-34-5/12x=0.3
    x-34-7/12x=0.3
    x-7/12x-34=0.3
    x-(7/12-34)x=0.3
    7/12x-34x=0.3
    X/（0.1X）=131.75/357.75
    X/0.1X=131.75/357.75
    X/X+10%=131.75/357.75
    x = (x+140000)/1.06*0.06*1.12
    x = (x+150000)/1.06*0.06*1.12
    x = (x+15000)/1.06*0.06*1.12

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