设 A 为 3 阶方阵,且 | A |=3, 则| 3A-1 |=______________.【填空题】
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设 A 为 3 阶方阵,且 | A |=3, 则| 3A-1 |=______________.
参考答案:
设 A 为 3 阶方阵,且 | A |=3, 则| 3A-1 |=______________.
参考答案: