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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -1/(2k-1) <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -1 / ( 2 * k - 1 ) <0         (1)
        From the definition field of divisor
         2 * x - 1 ≠ 0        (2 )

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    From inequality(1)：
         k ＞ 0.5
    From inequality(2)：
         k < 1/2 或  k ＞ 1/2

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    From inequalities (1) and (2)
         k ＞ 0.5    (3)

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    The final solution set is :
         k ＞ 0.5

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