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-1C．右端乘-1 D．两边乘-1
参考答案：
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
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C．右端乘-1 D．两边乘-1
C．右端乘-1 D．两边乘-1
1.What will you possibly want to know from a washe
1.What will you possibly want to know from a washer advertisement? (本题2.5分)A. so
shorten the article ________ (（ _____ ）)
shorten the article ________ (（ _____ ）)
We_____ have the school meeting if it ______ tomor
We_____ have the school meeting if it ______ tomorrow(本题3.0分)A.didn.t…rainsB.wo
6.(单选题)There are many trees on ______ side of the
6.(单选题)There are many trees on ______ side of the street(本题3.0分)A. allB. bothC.
心肌细胞的死亡包括_________与_________
心肌细胞的死亡包括_________与_________