x*1.015=493.29
    x-（1-80%）x=4.8
    （X+9）(X+15)=7216
    9/4x²=x²+10x
    x²+14x=24
    (x-35)*1868/(534-x)*1130.4*206000+(x-115)*1868/(534-x)*1130.4*206000=(162-x)*1868/(534-x)*180*12*206000+1868*206000*22*180
    (x-35)*1868/(534-x)*1130.4*206000+(x-115)*1868/(534-x)*1130.4*206000=(162-x)*1868/(534-x)*180*12*206000+385*22*180
    (x-35)*1868/(534-x)*1130.4*206000=(115-x)*1868/(534-x)*1130.4*206000+(162-x)*1868/(534-x)*180*12*206000+385*22*180
    2/3*((1-1/0.07)+(3/4+1/0.07)*(1/3*220/x*0.35805183739485175)^0.07)=7.04/x
    2/3*((1-1/0.05)+(3/4+1/0.05)*(1/3*220/x*0.35805183739485175)^0.05)=7.04/x
    2/3*((1-1/0.03)+(3/4+1/0.03)*(1/3*220/x*0.35805183739485175)^0.03)=7.04/x
    2/3*((1-1/0.01)+(3/4+1/0.01)*(1/3*220/x*0.35805183739485175)^0.01)=7.04/x
    2/3*((1-1/0.07)+(3/4+1/0.07)*(1/3*220/x*0.35805183739485175)^0.07)=6.794/x
    2/3*((1-1/0.05)+(3/4+1/0.05)*(1/3*220/x*0.35805183739485175)^0.05)=6.794/x
    2/3*((1-1/0.03)+(3/4+1/0.03)*(1/3*220/x*0.35805183739485175)^0.03)=6.794/x
    2/3*((1-1/0.01)+(3/4+1/0.01)*(1/3*220/x*0.35805183739485175)^0.01)=6.794/x
    2/3*((1-1/0.01)+(3/4+1/0.01)*(1/3*220/x*0.35805183739485175)^0.01)=7.11/x
    2/3*((1-1/0.03)+(3/4+1/0.03)*(1/3*220/x*0.35805183739485175)^0.03)=7.11/x
    2/3*((1-1/0.05)+(3/4+1/0.05)*(1/3*220/x*0.35805183739485175)^0.05)=7.11/x
    2/3*((1-1/0.07)+(3/4+1/0.07)*(1/3*220/x*0.35805183739485175)^0.07)=7.11/x

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