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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (100/(100+0.65X))-1.15*(100/(100+0.75X) ) >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 100 / ( 100 + 0.65 * X ) ) - 1.15 * ( 100 / ( 100 + 0.75 * X ) ) >0         (1)
        From the definition field of divisor
         100 + 0.65 * x ≠ 0        (2 )
        From the definition field of divisor
         100 + 0.75 * x ≠ 0        (3 )

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    From inequality(1)：
         -153.846154 < X < -133.333333
    From inequality(2)：
         X < -153.846154 或  X ＞ -153.846154
    From inequality(3)：
         X < -400/3 或  X ＞ -400/3

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    From inequalities (1) and (2)
         -153.846154 < X < -133.333333     (4)
    From inequalities (3) and (4)
         -153.846154 < X < -400/3     (5)

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    The final solution set is :
         -153.846154 < X < -400/3

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