用行列式性质, 化行列式[tex=7.714x4.5]TIwZYBkNsy31H1RNd/OloCuqwwLwIvJpgM2g6FVI9/QC0U69TuxABFUvvNzEOF0AcCfCalqP8gTIjvSSk+7P55FF8+fCA8DpGyRLSFTuAM65LM2M6QXCRHY0KTG152a1Lj5tDxR8RRDjJ+xyjA38P/KOHxGX8xRTBMnKgLpVSPE=[/tex]为上三角形行列式, 并求其值.
举一反三
- 利用行列式的性质计算下列行列式的值1 2 0 0 02 5 0 0 0 9 8 1 2 37 6 4 5 65 4 7 8 9
- 用行列式性质, 化行列式[tex=9.0x4.786]TIwZYBkNsy31H1RNd/OloCuqwwLwIvJpgM2g6FVI9/S7RQVmJgK8icKUlh79Eh//Gmtaxl/+v7QKoaA1LuZlCr12SV+ZIjCZT93s4KcuPyxlHBfXcSYHVsazuWzeJuizBEhBFTX0RgXS7v6hJcnRSNA3CIcU5IVc5ani3fl6GvI=[/tex]为上三角形行列式, 并求其值.
- 用行列式性质, 化行列式[tex=6.714x4.5]TIwZYBkNsy31H1RNd/OloF8hzn/iQKxIUT1oKdsg0R3jLMXX3laYDx5AIFbERHnlWP+J07lODRqizmwIB0/gYqCD0FRyLODVrGPOBsPtMjetcxaRKeXKdRAJG40iaKxcQgmWsKrsLjzmuuh5iUzPxw==[/tex]为上三角形行列式, 并求其值.
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=