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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 7800/(103+x)+10000/(123.6+x) <150 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        7800 / ( 103 + x ) + 10000 / ( 123.6 + x ) <150         (1)
        From the definition field of divisor
         103 + x ≠ 0        (2 )
        From the definition field of divisor
         123.6 + x ≠ 0        (3 )

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    From inequality(1)：
         x < -123.6 或  -112.919765 < x < -103 或  x ＞ 4.986431
    From inequality(2)：
         x < -103 或  x ＞ -103
    From inequality(3)：
         x < -618/5 或  x ＞ -618/5

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    From inequalities (1) and (2)
         x < -123.6 或  -112.919765 < x < -103 或  x ＞ 4.986431    (4)
    From inequalities (3) and (4)
         x < -123.6 或  -112.919765 < x < -103 或  x ＞ 4.986431    (5)

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    The final solution set is :
         x < -123.6 或  -112.919765 < x < -103 或  x ＞ 4.986431

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