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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 2X1+5X2 ≤1200 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 * X * 1 + 5 * X * 2 ≤1200         (1)

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    From inequality(1)：
         X ≤ 100

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    The final solution set is :
         X ≤ 100
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 4X1+2X2 ≤800 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        4 * X * 1 + 2 * X * 2 ≤800         (1)

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    From inequality(1)：
         X ≤ 100

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    The final solution set is :
         X ≤ 100

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