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多項(xiàng)選擇題

如線性規(guī)劃的原問(wèn)題為求極大值型,則下列關(guān)于原問(wèn)題與對(duì)偶問(wèn)題的關(guān)系中正確的是()。

A.原問(wèn)題的約束條件“≥”,對(duì)應(yīng)的對(duì)偶變量“≥0”
B.原問(wèn)題的約束條件為“=”,對(duì)應(yīng)的對(duì)偶變量為自由變量
C.原問(wèn)題的變量“≥0”,對(duì)應(yīng)的對(duì)偶約束“≥”
D.原問(wèn)題的變量“≤O”對(duì)應(yīng)的對(duì)偶約束“≤”
E.原問(wèn)題的變量無(wú)符號(hào)限制,對(duì)應(yīng)的對(duì)偶約束“=”

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