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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -0.3 <(x-4.6)/4.6 <0.3 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        -0.3 < ( x - 4.6 ) / 4.6         (1)
         ( x - 4.6 ) / 4.6 <0.3         (2)

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    From inequality(1)：
         x ＞ 161/50
    From inequality(2)：
         x < 299/50

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    From inequalities (1) and (2)
         161/50 < x < 299/50     (3)

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    The final solution set is :
         161/50 < x < 299/50

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