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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 6900*a*a-4347*a+(461.1-87.45) <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        6900 * a * a - 4347 * a + ( 461.1 - 87.45 ) <0         (1)

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    From inequality(1)：
         0.102696 < a < 0.527304

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    The final solution set is :
         0.102696 < a < 0.527304

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