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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality abs((-absx+4)abs(-absx+1))-1 ≤0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         abs ( ( -abs x + 4 ) * abs ( -abs x + 1 ) ) - 1 ≤0         (1)

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    From inequality(1)：
         -4.302776 ≤ x ≤ -3.618034 或  -1.381966 ≤ x ≤ -0.697224 或  0.697224 ≤ x ≤ 1.381966 或  3.618034 ≤ x ≤ 4.302776

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    The final solution set is :
         -4.302776 ≤ x ≤ -3.618034 或  -1.381966 ≤ x ≤ -0.697224 或  0.697224 ≤ x ≤ 1.381966 或  3.618034 ≤ x ≤ 4.302776

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