- 设有四阶方阵a满足|3e+a|=02025-02-14
- 设4阶方阵a=(α,x,y,z)2025-02-14
- 设四阶方阵a=(a1a2a3a4)2025-02-14
- 设4阶矩阵a满足a3=a2025-02-14
- 设4阶矩阵a满足|2e+a|=02025-02-14
- 设四阶矩阵b满足2025-02-14
- 设a是四阶方阵2025-02-14
- 设4阶方阵a可逆,r(b)=32025-02-14
- 设4阶方阵a的秩为3,则下列说法正确的是2025-02-14
- 已知四阶方阵a和b满足r(a)=22025-02-14
- 设有四阶方阵a满足|3e+a|=02025-02-14
- 设4阶方阵a=(α,x,y,z)2025-02-14
- 设四阶方阵a=(a1a2a3a4)2025-02-14
- 设4阶矩阵a满足a3=a2025-02-14
- 设4阶矩阵a满足|2e+a|=02025-02-14
- 设四阶矩阵b满足2025-02-14
- 设a是四阶方阵2025-02-14
- 设4阶方阵a可逆,r(b)=32025-02-14
- 设4阶方阵a的秩为3,则下列说法正确的是2025-02-14
- 已知四阶方阵a和b满足r(a)=22025-02-14