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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 6+1/(1−x) ≤7/x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        6 + 1 / ( 1 - x ) ≤7 / x         (1)
        From the definition field of divisor
         1 - x ≠ 0        (2 )
        From the definition field of divisor
        x ≠ 0        (3 )

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    From inequality(1)：
         0 ≤ x ≤ 0.725708 或  1 ≤ x ≤ 1.607625
    From inequality(2)：
         x < 1 或  x ＞ 1
    From inequality(3)：
         x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         0 ≤ x ≤ 0.725708 或  1 < x ≤ 1.607625     (4)
    From inequalities (3) and (4)
         0 < x ≤ 0.725708 或  1 < x ≤ 1.607625     (5)

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    The final solution set is :
         0 < x ≤ 0.725708 或  1 < x ≤ 1.607625

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