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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0     Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        0 < abs ( x - 1 )         (1)
         abs ( x - 1 ) <3         (2)

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    From inequality(1)：
         x < 1 或  x ＞ 1
    From inequality(2)：
         -2 < x < 4

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    From inequalities (1) and (2)
         -2 < x < 1 或  1 < x < 4     (3)

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    The final solution set is :
         -2 < x < 1 或  1 < x < 4

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