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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0.01 >e-x+x*e-x >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        0.01 > e -x + x * e -x         (1)
         e -x + x * e -x >0         (2)

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    From inequality(1)：
         -1.026482 < x < 0.026482
    From inequality(2)：
         x < -1 或  x ＞ 0

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    From inequalities (1) and (2)
         -1.026482 < x < -1 或  0 < x < 0.026482     (3)

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    The final solution set is :
         -1.026482 < x < -1 或  0 < x < 0.026482

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