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2.57*10^-8*X^4-6.5*10^-5*X^3+0.0057585*X^2-24.75608*X+3389.786229=0
2.57*10^-8*X^4-6.5*10^-5*X^3+0.0057585*X^2-24.75608*X+3389.786229=0
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