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

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

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    From inequality(1)：
         a ＞ -1
    From inequality(2)：
         a < 2/3

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    From inequalities (1) and (2)
         -1 < a < 2/3     (3)

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    The final solution set is :
         -1 < a < 2/3

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