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【简答题】
As Stanley said, if you want to know how, when or why Herakleion and Eastern Canopus disappeared, there was/were ______ to refer to.
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反馈参考答案：
举一反三
【简答题】设max Z=3x1+4x2+x3,x1+2x2+x3≤10,2x1+2x2+x3≤16,x1,x2,x3≥0,则在最优基不变时,请用区间表示c1的允许取值范围[ ]
【单选题】Thus Chuang Tzu and Lao Tzu both advocate ()
A.
the good with the beneficial
B.
government through non–government
C.
defense of All–embracing Love
D.
relative happiness
【简答题】设max Z=3x1+4x2+x3,x1+2x2+x3≤10,2x1+2x2+x3≤16,x1,x2,x3≥0,则在最优基不变时,请用区间表示b1的允许取值范围[ ]
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