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【简答题】
若n阶方阵A的行列式|A|=2． n阶方阵B的行列式|B|=4，则积AB的行列式|AB|=______．
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皮皮学刷刷变学霸
举一反三
【单选题】An empirical argument differs from a non-empirical one in the inclusion of the section(s) of _________.
A.
Major Ideas
B.
Results and Discussion
C.
Literature Review
D.
Research Method
【判断题】If the data set is approximately bell-shaped, the empirical rule will more accurately reflect the greater concentration of data close to the mean as compared to the Chebyshev rule.
A.
正确
B.
错误
【简答题】It's desired that this rule ______ (obey)by everyone working here．
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