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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0 <0.3+1÷600×12-12×10^(-4)×(x^3-18.75x^2+75x) <0.2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        0 <0.3 + 1 ÷ 600 × 12 - 12 × 10 ^ ( -4 ) × ( x ^ 3 - 18.75 * x ^ 2 + 75 * x )         (1)
        0.3 + 1 ÷ 600 × 12 - 12 × 10 ^ ( -4 ) × ( x ^ 3 - 18.75 * x ^ 2 + 75 * x ) <0.2         (2)

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    From inequality(1)：
         x < 14.921359
    From inequality(2)：
         x ＞ 13.858989

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    From inequalities (1) and (2)
         13.858989 < x < 14.921359     (3)

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    The final solution set is :
         13.858989 < x < 14.921359

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