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若|a11 a12 a13| |6a11 3a12 3a13| |a21 a22 a23|=M,则|2a31 a32a33|=____ |a31 a32 a33| |2a21 a22a23|
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若|a11 a12 a13| |6a11 3a12 3a13| |a21 a22 a23|=M,则|2a31 a32a33|=____ |a31 a32 a33| |2a21 a22a23|
A、6M
B、2M
C、3M
D、-6M
时间：2021-09-08 15:19
关键词：
青书学堂
河北建筑工程学院
电气工程及其自动化
线性代数
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D
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_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.
CASE OF DEATH OR SERIOUS INJURY TO A PERSON IN AN ACCIDENT OR SHIPPING DISASTER is（）.
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设a=5，b=4，c=3，d=2，则表达式3＞2*b Or a=c And b＜＞c Or c＞d的值是
设a=5，b=4，c=3，d=2，则表达式3＞2*b Or a=c And b＜＞c Or c＞d的值是
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（）means any person by whom or in whose name or on whose behalf a contract of carriage of goods by sea has been concluded with a carrier，or any person by whom or in whose name or on whose behalf the goods are actually delivered to the carrier in relation to the contract of carriage of goods by sea.
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Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）
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