Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （590*0.000539176*1568*V^2+0.41*928*580+470*0.000539176*11395^3*V^2/(720*V-1568)^2)/10000 <131.53 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 590 * 0.000539176 * 1568 * V ^ 2 + 0.41 * 928 * 580 + 470 * 0.000539176 * 11395 ^ 3 * V ^ 2 / ( 720 * V - 1568 ) ^ 2 ) / 10000 <131.53         (1)
        From the definition field of divisor
         720 * x - 1568 ≠ 0        (2 )

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    From inequality(1)：
         -30.515753 < V < 1.20111
    From inequality(2)：
         V < 98/45 或  V ＞ 98/45

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    From inequalities (1) and (2)
         -30.515753 < V < 1.20111     (3)

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    The final solution set is :
         -30.515753 < V < 1.20111

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