设矩阵
满足ABA*+BA*+16E=O 其中E是4阶单位矩阵,A*是A的伴随矩阵,求矩阵B.
参考答案:[*]
I saw a duck a green sweater a Saturday.[ ]
A. in, in
B. on, on
C. in, on
留置权和质权的共性是,二者均为法定的担保物权。()