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

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

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    From inequality(1)：
         m ≥ -2
    From inequality(2)：
         m ≤ 0

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    From inequalities (1) and (2)
         -2 ≤ m ≤ 0    (3)

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    The final solution set is :
         -2 ≤ m ≤ 0
[ 2/3Inequality]
    Assignment:Find the solution set of inequality －1 ≤m∧2 ≤3 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        -1 ≤ m ^ 2         (1)
         m ^ 2 ≤3         (2)

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    From inequality(1)：
         m ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(2)：
         -√3 ≤ m ≤ √3

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    From inequalities (1) and (2)
         -√3 ≤ m ≤ √3    (3)

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    The final solution set is :
         -√3 ≤ m ≤ √3
[ 3/3Inequality]
    Assignment:Find the solution set of inequality m∧2 <2m＋3 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         m ^ 2 <2 * m + 3         (1)

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    From inequality(1)：
         -1 < m < 3

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    The final solution set is :
         -1 < m < 3

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