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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (10-x)(9-x)(8-x)(7-x) <336 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 10 - x ) * ( 9 - x ) * ( 8 - x ) * ( 7 - x ) <336         (1)

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    From inequality(1)：
         4.071958 < x < 12.928042

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    The final solution set is :
         4.071958 < x < 12.928042

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