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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （544+172x）/（841+472x） <0.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 544 + 172 * x ) / ( 841 + 472 * x ) <0.5         (1)
        From the definition field of divisor
         841 + 472 * x ≠ 0        (2 )

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    From inequality(1)：
         x < -1.78178 或  x ＞ √26065857/√7000000
    From inequality(2)：
         x < -1.78178 或  x ＞ -1.78178

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    From inequalities (1) and (2)
         x < -1.78178 或  x ＞ √26065857/√7000000    (3)

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    The final solution set is :
         x < -1.78178 或  x ＞ √26065857/√7000000

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