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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality e^(-xπ/(1-x^2)) <0.1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         e ^ ( -x * π / ( 1 - x ^ 2 ) ) <0.1         (1)
        From the definition field of divisor
         1 - x ^ 2 ≠ 0        (2 )

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    From inequality(1)：
         -1.892717 < x < -1 或  0.528341 < x < 1
    From inequality(2)：
         x < -1 或  -1 < x < 1 或  x ＞ 1

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    From inequalities (1) and (2)
         -1.892717 < x < -1 或  0.528341 < x < 1     (3)

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    The final solution set is :
         -1.892717 < x < -1 或  0.528341 < x < 1

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