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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality [(80+81+82+X)/4]*0.92     Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( ( 80 + 81 + 82 + X ) / 4 ) * 0.92 < X         (1)

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    From inequality(1)：
         X ＞ 72.584416

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    The final solution set is :
         X ＞ 72.584416

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