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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (1.8^a/!(a))*e-1.8 >0.99 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 1.8 ^ a / !( a ) ) * e -1.8 >0.99         (1)

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    From inequality(1)：
         0 < a < 0.18629 或  a ＞ 6.130029

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    The final solution set is :
         0 < a < 0.18629 或  a ＞ 6.130029

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