13.07*((2*x-7.07)/14.07-1)^2 = 2*(4-(2*x-7.07)/14.07)*(5-x)-(5-x)^2 x
    （0.032-0.983)/0.003=（x-0.983）/0.002437354
    13.07*((2*x-7.07)/14.07-1.65)^2 = 2*(4-(2*x-7.07)/14.07)*(5-x)-(5-x)^2 x
    （0.032-0.983）/(-0.003)=（x-0.983）/(-0.002437354)
    4x+5>7x-31
    (x-40)(75-x)=250
    5x^2+10x(2-5x)+(2-5x)^2=350
    （0.032-0.983）/-0.003=（x-0.983）/-0.002437354
    [3.4295(8+x)^2-12.017(8+x)+10.526](16/3+2x/3-1.5)=(13.16x^2+16.64x)(6.5+2x/3)
    x/96＋x/90＋x/96＋x/80＋x/90＋x/80＝1
    26.13645*((2*x-7.07)/14.07-1.65)^2=2*(4-(2*x-7.07)/14.07)*(5-x)-(5-x)^2
    x/96＋x/90＋x/80＝1
    x^2-5x+10=5
    16/96x＋16/90x＋16/80x＝1
    (x+0.00000005732)*x=0.00000000000001
    x^(2)＋4x+2＝0
    x=sqrt(2*2.3*4/10^12*50/12*55.9)
    (x+5.732*10^(-8))*x=1*10^(-14)
    （0.000051-x）(0.000449-2x)^2=(0.00038-x)(0.00012-2x)^2
    （100+200x）（2-x）=300

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