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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1 <1.25*(9*x^(-2/3)-1) <1.25 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        1 <1.25 * ( 9 * x ^ ( -2 / 3 ) - 1 )         (1)
        1.25 * ( 9 * x ^ ( -2 / 3 ) - 1 ) <1.25         (2)

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    From inequality(1)：
         x < √125
    From inequality(2)：
         x ＞ 27/√8

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    From inequalities (1) and (2)
         27/√8 < x < √125     (3)

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    The final solution set is :
         27/√8 < x < √125

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