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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0 <0.3+7÷650×12-12×2×10^(-4)×(F^3-18.75F^2+75F) <0.2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        0 <0.3 + 7 ÷ 650 × 12 - 12 × 2 × 10 ^ ( -4 ) × ( F ^ 3 - 18.75 * F ^ 2 + 75 * F )         (1)
        0.3 + 7 ÷ 650 × 12 - 12 × 2 × 10 ^ ( -4 ) × ( F ^ 3 - 18.75 * F ^ 2 + 75 * F ) <0.2         (2)

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    From inequality(1)：
         F < 14.405484
    From inequality(2)：
         F ＞ 13.824663

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    From inequalities (1) and (2)
         13.824663 < F < 14.405484     (3)

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    The final solution set is :
         13.824663 < F < 14.405484

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