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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0 ≤e^x-e(-x)+1/ex .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        0 ≤ e ^ x - e ( -x ) + 1 / e x         (1)

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    From inequality(1)：
         x ≤ -9679599/500000 或  -9679599/500000 ≤ x ≤ -19239383/1000000 或  -19239383/1000000 ≤ x ≤ -19239383/1000000 或  -9579753/500000 ≤ x ≤ -18999753/1000000 或  -471/25 ≤ x ≤ -14.446792 或  -14.446792 ≤ x ≤ -14.446792 或  -14.446792 ≤ x ≤ -13.568148 或  -13.568148 ≤ x ≤ -13.568148 或  x ≥ -13.568148

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    The final solution set is :
         x ≤ -9679599/500000 或  -9679599/500000 ≤ x ≤ -19239383/1000000 或  -19239383/1000000 ≤ x ≤ -19239383/1000000 或  -9579753/500000 ≤ x ≤ -18999753/1000000 或  -471/25 ≤ x ≤ -14.446792 或  -14.446792 ≤ x ≤ -14.446792 或  -14.446792 ≤ x ≤ -13.568148 或  -13.568148 ≤ x ≤ -13.568148 或  x ≥ -13.568148

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