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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 10000/x+10000/(x+115*0.3)+10000/(x+115*0.6) <150 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        10000 / x + 10000 / ( x + 115 * 0.3 ) + 10000 / ( x + 115 * 0.6 ) <150         (1)
        From the definition field of divisor
        x ≠ 0        (2 )
        From the definition field of divisor
         x + 115 * 0.3 ≠ 0        (3 )
        From the definition field of divisor
         x + 115 * 0.6 ≠ 0        (4 )

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    From inequality(1)：
         x < -69 或  -56.287625 < x < -34.5 或  -16.640923 < x < 0 或  x ＞ 169.428548
    From inequality(2)：
         x < 0 或  x ＞ 0
    From inequality(3)：
         x < -69/2 或  x ＞ -69/2
    From inequality(4)：
         x < -69 或  x ＞ -69

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    From inequalities (1) and (2)
         x < -69 或  -56.287625 < x < -34.5 或  -16.640923 < x < 0 或  x ＞ 169.428548    (5)
    From inequalities (3) and (5)
         x < -69 或  -56.287625 < x < -69/2 或  -16.640923 < x < 0 或  x ＞ 169.428548    (6)
    From inequalities (4) and (6)
         x < -69 或  -56.287625 < x < -69/2 或  -16.640923 < x < 0 或  x ＞ 169.428548    (7)

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    The final solution set is :
         x < -69 或  -56.287625 < x < -69/2 或  -16.640923 < x < 0 或  x ＞ 169.428548

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