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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (8/9)b^2+4-8b <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 8 / 9 ) * b ^ 2 + 4 - 8 * b <0         (1)

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    From inequality(1)：
         0.531373 < b < 8.468627

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    The final solution set is :
         0.531373 < b < 8.468627

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