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

[ 1/3Inequality]
    Assignment:Find the solution set of inequality 4x^2+4x+1 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        4 * x ^ 2 + 4 * x + 1 >0         (1)

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

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

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    From inequality(1)：
         x ＞ 1/2

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

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    From inequality(1)：
         x < 0

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    The final solution set is :
         x < 0

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