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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1/10*{1+[1-(1-a)^10]*(186.89*a^2+54.23*a+12.8)/(17*a^2+5*a+2)} <1/5*{1+[1-(1-a)^5]*(7.6*a+4.6)/(1+a)} .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1 / 10 * ( 1 + ( 1 - ( 1 - a ) ^ 10 ) * ( 186.89 * a ^ 2 + 54.23 * a + 12.8 ) / ( 17 * a ^ 2 + 5 * a + 2 ) ) <1 / 5 * ( 1 + ( 1 - ( 1 - a ) ^ 5 ) * ( 7.6 * a + 4.6 ) / ( 1 + a ) )         (1)
        From the definition field of divisor
         17 * x ^ 2 + 5 * x + 2 ≠ 0        (2 )
        From the definition field of divisor
         1 + x ≠ 0        (3 )

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    From inequality(1)：
         a ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(2)：
         a ∈ R （R为全体实数），即在实数范围内，不等式恒成立！
    From inequality(3)：
         a < -1 或  a ＞ -1

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    From inequalities (1) and (2)
         a ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!    (4)
    From inequalities (3) and (4)
         a < -1 或  a ＞ -1    (5)

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    The final solution set is :
         a < -1 或  a ＞ -1

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