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

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

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    From inequality(1)：
         -1/2 ≤ x ≤ 0
    From inequality(2)：
         x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         -1/2 ≤ x < 0    (3)

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    The final solution set is :
         -1/2 ≤ x < 0

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