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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (500/9.09)^2 >(50+1/270/x/x)^2+(1/x)^2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 500 / 9.09 ) ^ 2 > ( 50 + 1 / 270 / x / x ) ^ 2 + ( 1 / x ) ^ 2         (1)
        From the definition field of divisor
        x ≠ 0        (2 )
        From the definition field of divisor
        x ≠ 0        (3 )
        From the definition field of divisor
        x ≠ 0        (4 )

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    From inequality(1)：
         x < -0.051159 或  x ＞ 0.051159
    From inequality(2)：
         x < 0 或  x ＞ 0
    From inequality(3)：
         x < 0 或  x ＞ 0
    From inequality(4)：
         x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         x < -0.051159 或  x ＞ 0.051159    (5)
    From inequalities (3) and (5)
         x < -0.051159 或  x ＞ 0.051159    (6)
    From inequalities (4) and (6)
         x < -0.051159 或  x ＞ 0.051159    (7)

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    The final solution set is :
         x < -0.051159 或  x ＞ 0.051159

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