h=126/（0.95*（110.296-h）^0.5)
    x/0.09+(1054896.4-x)/0.13=11285068.48
    x/0.09+(1054896.4-x)/0.13=11739645.98
    x/0.09+(174928.17-x)/0.13=1618582.78
    x/0.09+(71925.83-x)/0.13=597402.67
    [(220+260)*29-x]*0.9+16*29=11290.86
    [(220+260)*56-x]*0.9+16*56=21802.48
    37646.4=[（260+220+220）*66-x]*0.85+(8+18)*66
    （S-5000）×[（5600÷5000）-（1800÷5000）]-S×8%×50%＝0
    （5600-1800）×[（S-5000）÷5000 ]-S×8%×50%＝0
    0.75:x=3:4
    X*0.0038=X-54441.29
    X*0.38%=X-54441.29
    X*0.38%=54441.29
    1/470（0.021L^1.85+0.25*260*260）L^0.84=0.374/0.2
    3.29=（（0.021*x^1.85+380）^0.05）*x^0.84
    8:28=5:x
    x:28=5:8
    x^x=2^2048
    1.8x-x²＝7.2

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