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19—20学年第一学期19级《语文》期末试卷答案 新.docx
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1
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2
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【简答题】写出下列线性规划问题的对偶问题： (1)max z=2x 1 +x 2 +x 3 -x 4 (2)max z=4x 1 +5x 2 +3x 3 +6x 4 (3) (4)
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