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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality x-2（x-1） ≤4 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x - 2 * ( x - 1 ) ≤4         (1)

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    From inequality(1)：
         x ≥ -2

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

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    From inequality(1)：
         x ＞ -4/5

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    The final solution set is :
         x ＞ -4/5

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