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题目内容
（2024年国家开放大学答案）
设<em>A,B</em>均为<em>n</em>阶可逆矩阵，则下列运算关系正确的是（ ）．(单选题)
.<img alt="\"\"" height="\"25\"" src="\"/api/uploads/1493856/in-rich-contentcreated_at=1647283843\"" width="\"146\"">.,.
<img alt="\"\"" height="\"25\"" src="\"/api/uploads/1493857/in-rich-contentcreated_at=1647283843\"" width="\"114\"">.,.
<img alt="\"\"" height="\"29\"" src="\"/api/uploads/1493854/in-rich-contentcreated_at=1647283843\"" width="\"149\"">.,.
<img alt="\"\"" height="\"32\"" src="\"/api/uploads/1493855/in-rich-contentcreated_at=1647283843\"" width="\"110\"">
.<img alt="\"\"" height="\"25\"" src="\"/api/uploads/1493856/in-rich-contentcreated_at=1647283843\"" width="\"146\"">.,.
<img alt="\"\"" height="\"25\"" src="\"/api/uploads/1493857/in-rich-contentcreated_at=1647283843\"" width="\"114\"">.,.
<img alt="\"\"" height="\"29\"" src="\"/api/uploads/1493854/in-rich-contentcreated_at=1647283843\"" width="\"149\"">.,.
<img alt="\"\"" height="\"32\"" src="\"/api/uploads/1493855/in-rich-contentcreated_at=1647283843\"" width="\"110\"">
参考答案