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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (45000+12000)/153.86+64*f*32/3.14/14^3 <= 548.9 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 45000 + 12000 ) / 153.86 + 64 * f * 32 / 3.14 / 14 ^ 3 <= 548.9         (1)

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    From inequality(1)：
         f ≤ 750.688586

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    The final solution set is :
         f ≤ 750.688586

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