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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0.15ln(7.825-0.17x)+0.85ln(9.825-0.03x) >2.251 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        0.15 * ln ( 7.825 - 0.17 * x ) + 0.85 * ln ( 9.825 - 0.03 * x ) >2.251         (1)
        From the definition field of ln
         7.825 - 0.17 * x > 0        (2 )
        From the definition field of ln
         9.825 - 0.03 * x > 0        (3 )

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    From inequality(1)：
         x < -0.036018
    From inequality(2)：
         x < 46.029412
    From inequality(3)：
         x < 655/2

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    From inequalities (1) and (2)
         x < -0.036018    (4)
    From inequalities (3) and (4)
         x < -0.036018    (5)

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    The final solution set is :
         x < -0.036018

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