Overview: 3 questions will be solved this time.Among them
           ☆3 inequalities

[ 1/3Inequality]
    Assignment:Find the solution set of inequality (2a+1)^2-8 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 * a + 1 ) ^ 2 - 8 >0         (1)

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    From inequality(1)：
         a < -1.914214 或  a ＞ 0.914214

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    The final solution set is :
         a < -1.914214 或  a ＞ 0.914214
[ 2/3Inequality]
    Assignment:Find the solution set of inequality 1/4-(1/2)(2a+1)+2 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1 / 4 - ( 1 / 2 ) * ( 2 * a + 1 ) + 2 >0         (1)

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    From inequality(1)：
         a < 7/4

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    The final solution set is :
         a < 7/4
[ 3/3Inequality]
    Assignment:Find the solution set of inequality 2-2(2a-1)+2 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 - 2 * ( 2 * a - 1 ) + 2 >0         (1)

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    From inequality(1)：
         a < 3/2

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    The final solution set is :
         a < 3/2

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