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

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

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    From inequality(1)：
         x ≥ 0
    From inequality(2)：
         x ≤ 3

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    From inequalities (1) and (2)
         0 ≤ x ≤ 3    (3)

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    The final solution set is :
         0 ≤ x ≤ 3

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