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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0.45     Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        0.45 < x + ( x + x + 0.2 ) / 2 * 0.2         (1)

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    From inequality(1)：
         x ＞ 0.358333

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    The final solution set is :
         x ＞ 0.358333

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