400*(10^-4)^2*(2*3.141592653*10*10^2)^3=x
    （0.595-1.257）/0.003=（x-1.257）/0.002437354
    （0.083-0.971）/0.003=（x-0.971）/0.002437354
    x3+x2 = 1.5
    （-18.16+8.682）/0.003=（x+8.682）/0.002437354
    X^3-8X^2+9X
    （-0.92-0.42）/0.003=（x-0.42）/0.002437354
    （-1.077-0.335）/0.003=（x-0.335）/0.002437354
    （-5.454+1.979）/0.003=（x+1.979）/0.002437354
    0.052t+0.5*9.8*t*t=0.0773
    4x-x^2-2x^3=0
    4x+x^2-2x^2-2x^3=0
    2.3633/(x^0.84)=（0.021*x^1.85+8183.9162)^0.5
    （1.234-1.666）/0.003=（x-1.666）/0.002437354
    （0.354-1.195）/0.003=（x-1.195）/0.002437354
    X^3-8X^2+9X-9
    （-1.8-0.079）/0.003=（x-0.079）/0.002437354
    （-0.013-1.001）/0.003=（x-1.001）/0.002437354
    （-0.201-0.902）/0.003=（x-0.902）/0.002437354
    （-1.276+0.349）/0.003=（x+0.349）/0.002437354

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