问题补充:
用行列式的性质解行列式.a+b a a a a a+c a aa a a+d aa a a a怎么用行列式的性质解.
答案:
b 0 0 0b 0 0 0
0 c 0 0 = 0 c 0 0 =bcda
0 0 d 00 0 d 0
a a a a0 0 0 a
时间:2023-12-31 21:11:26
用行列式的性质解行列式.a+b a a a a a+c a aa a a+d aa a a a怎么用行列式的性质解.
b 0 0 0b 0 0 0
0 c 0 0 = 0 c 0 0 =bcda
0 0 d 00 0 d 0
a a a a0 0 0 a