来自陈瑜的问题
四阶行列式.a100a20a3b400b1b20b300a4.的值等于()A.a1a2a3a4-b1b2b3b4B.a1a2a3a4+b1b2b3b4C.(a1a2-b1b2)(a3a4-b3b4)D.(a2a3-b2b3)(a1a4-b1b4)
四阶行列式.
a10 0a2 0a3 b40 0b1b20b300a4.
的值等于()
A.a1a2a3a4-b1b2b3b4
B.a1a2a3a4+b1b2b3b4
C.(a1a2-b1b2)(a3a4-b3b4)
D.(a2a3-b2b3)(a1a4-b1b4)
1回答
2020-05-24 19:16