选择题:8.若线性规划某个 bk≤0,化为标准形式时原不等式( ) A.不变 B.左端乘-1C.右端乘-1

题目内容:
8.若线性规划某个 bk≤0,化为标准形式时原不等式( ) A.不变 B.左端乘-1
C.右端乘-1 D.两边乘-1
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