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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality x1^2-6*x1+4*x2-11 <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x * 1 ^ 2 - 6 * x * 1 + 4 * x * 2 - 11 <0         (1)

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    From inequality(1)：
         x < 11/3

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    The final solution set is :
         x < 11/3
[ 2/2Inequality]
    Assignment:Find the solution set of inequality exp(x1-3)-x1*x2+3*x2-1 <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         e ( x * 1 - 3 ) - x * 1 * x * 2 + 3 * x * 2 - 1 <0         (1)

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    From inequality(1)：
         x < 0.166062 或  3 < x < 7.069803

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    The final solution set is :
         x < 0.166062 或  3 < x < 7.069803

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