x^3-4x^2+2x-2=0
    x^3-4x^2+2x-2=0
    x^3-4x^2+2x-2=0
    x^3-4x^2+2x-2=0
    （30000:x）+（10000:（x+6.6））=150
    40000:x=150
    30000:x+10000:(x-6.6)=150
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 5.4293/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 5.4828/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 5.4072/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 5.4/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 5.6939/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 6.1728/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 6.0361/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 6.2653/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 6.3532/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 6.7742/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 7.2358/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 7.3289/x
    2/3*((1-1/0.055)+(3/4+1/0.055)*(1/3*220/x*0.35805183739485175)^0.055) = 7.6109/x

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