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

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

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    From inequality(1)：
         x ≤ 100
    From inequality(2)：
         x ≥ -100

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    From inequalities (1) and (2)
         -100 ≤ x ≤ 100    (3)

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    The final solution set is :
         -100 ≤ x ≤ 100

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