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    {(220+220)*78-x}*0.85+8*78=45364-17012
    10000/(x+99*0.12)+10000/(x+99*0.12)+10000/(x+99*0.12)+10000/(x+99*0.12)=250
    10000/(x+99*0.12)+1000/(x+99*0.12)+10000/(x+99*0.12)+10000/(x+99*0.12)=250
    10000/(x+99*0.12)+7000/(x+99*0.12)+10000/(x+99*0.12)+10000/(x+99*0.12)=250
    10000/(x+99*0.12)+6700/(x+99*0.12)+10000/(x+99*0.12)+10000/(x+99*0.12)=250
    256(1+x)²=400
    10000/(x+99*0.12)+6700/(x+99*0.12)+10000/(x+99*0.12)=150
    7600/(x+112*0.12)+10000/(x+112*0.12+112*0.2)+10000/(x+112*0.12)=150
    7600/(x+112*0.12*2)+10000/(x+112*0.12+112*0.2)+10000/(x+112*0.12)=150
    7600/(x+112*0.12*2)+10000/(x+112*0.12)+10000/(x+112*0.12)=150
    7600/(x+98*0.12*2)+10000/(x+98*0.12)+10000/(x+98*0.12)=150
    7600/(x+98*0.12)+10000/(x+98*0.12)+10000/(x+98*0.12)=150
    7600/(x+98*0.12)+6700/(x+98*0.12)+10000/(x+98*0.12)=150
    7600/(x+112*0.12)+6700/(x+112*0.12)+10000/(x+112*0.12)=150
    7600/(x+99*0.12+99*0.12)+6700/(x+99*0.12)+10000/(x+99*0.12)=150
    7600/(x+99*0.12)+6700/(x+99*0.12)+10000/(x+99*0.12)=150
    7600/(x+23.76)+6700/(x+11.88)+10000/(x+11.88)=150
    68.3687 + ( (0.0828135 - 68.3687) / (( 1 + (x/44371.4)^0.981905))^10 )=1.214
    68.3687 + ( (0.0828135 - 68.3687) / (( 1 + (x/44371.4)^0.981905))^10 )=1.201
    68.3687 + ( (0.0828135 - 68.3687) / (( 1 + (x/44371.4)^0.981905))^10 )=1.218

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