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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -0.05 <= (500x-0.02214-503.5088+252.43405x^2)/(500x) <= 0.05 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        -0.05 <= ( 500 * x - 0.02214 - 503.5088 + 252.43405 * x ^ 2 ) / ( 500 * x )         (1)
         ( 500 * x - 0.02214 - 503.5088 + 252.43405 * x ^ 2 ) / ( 500 * x ) <= 0.05         (2)
        From the definition field of divisor
         500 * x ≠ 0        (3 )

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    From inequality(1)：
         -2.793741 ≤ x ≤ 0 或  x ≥ 0.71399
    From inequality(2)：
         x ≤ -2.637861 或  0 ≤ x ≤ 0.756182
    From inequality(3)：
         x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         -2.793741 ≤ x ≤ -2.637861 或  0 ≤ x ≤ 0 或  0.71399 ≤ x ≤ 0.756182    (4)
    From inequalities (3) and (4)
         -2.793741 ≤ x ≤ -2.637861 或  0.71399 ≤ x ≤ 0.756182    (5)

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    The final solution set is :
         -2.793741 ≤ x ≤ -2.637861 或  0.71399 ≤ x ≤ 0.756182

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