首页/ 题库 / [单选题]13.A={a11a21a31,a12a的答案

13.A={a11a21a31,a12a22a32,a13a23a33},B={a11a21a31,3a12 3a22 3a32,a13a23a33},p={1 0 0,0 1 0,0 0 1},Q={1 3 0,0 1 0,0 0 1},则B=( )

单选题
2021-09-01 19:09
A、PA
B、AP
C、QA
D、AQ
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正确答案
B

试题解析

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13.A={a11a21a31,a12a22a32,a13a23a33},B={a11a21a31,3a12 3a22 3a32,a13a23a33},p={1 0 0,0 1 0,0 0 1},Q={1 3 0,0 1 0,0 0 1},则B=( )
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