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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (n-5)(n-4)(n-7) <248 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( n - 5 ) * ( n - 4 ) * ( n - 7 ) <248         (1)

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    From inequality(1)：
         n < 11.746001

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    The final solution set is :
         n < 11.746001

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