Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality l20-3l <2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         l * 20 - 3 * l <2         (1)

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    From inequality(1)：
         l < 0.117647

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    The final solution set is :
         l < 0.117647
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 20-3x-10 <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        20 - 3 * x - 10 <0         (1)

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    From inequality(1)：
         x ＞ 10/3

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    The final solution set is :
         x ＞ 10/3

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