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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 54.5 <0.8*0.8x <163.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        54.5 <0.8 * 0.8 * x         (1)
        0.8 * 0.8 * x <163.5         (2)

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    From inequality(1)：
         x ＞ 2725/32
    From inequality(2)：
         x < 8175/32

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    From inequalities (1) and (2)
         2725/32 < x < 8175/32     (3)

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    The final solution set is :
         2725/32 < x < 8175/32

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