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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2/11 <(1.5x-2.2)/25 <7/22 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        2 / 11 < ( 1.5 * x - 2.2 ) / 25         (1)
         ( 1.5 * x - 2.2 ) / 25 <7 / 22         (2)

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    From inequality(1)：
         x ＞ 4.49697
    From inequality(2)：
         x < 1117/165

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    From inequalities (1) and (2)
         4.49697 < x < 1117/165     (3)

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    The final solution set is :
         4.49697 < x < 1117/165

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