5阶行列式计算a11a12a13a14a15a21a22a23a24a25a31a32000a41a42000a51a52000等
重复一下这道题,5阶行列式:
a11a12a13a14a15;
a21a22a23a24a25;
a31a32000;
a41a42000;
a51a52000;
等于多少?是根据哪个性质或定理?谢谢!