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

[ 1/3Inequality]
    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 ≥ -2

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

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    From inequality(1)：
         x < 3

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    The final solution set is :
         x < 3

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