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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -3+6a-a^2+6 ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -3 + 6 * a - a ^ 2 + 6 ≥0         (1)

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    From inequality(1)：
         -0.464102 ≤ a ≤ 6.464102

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    The final solution set is :
         -0.464102 ≤ a ≤ 6.464102

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