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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 1.2x <3 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1.2 * x <3         (1)

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    From inequality(1)：
         x < 5/2

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    The final solution set is :
         x < 5/2
[ 2/2Inequality]
    Assignment:Find the solution set of inequality (x+1)÷2 ≤2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x + 1 ) ÷ 2 ≤2         (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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