A.-1
B.0
C.1
D.3
[单选题]2,4,1,5,0,6,( )A.-1B.0C.1D.3
[单选题]2,4,1,5,0,6,( )。A.-1B.0C.1D.3
2 5 6 4-|||-1 0 0 2-|||-4 1 2 a中2 5 6 4-|||-1 0 0 2-|||-4 1 2 a的代数余子式为__________
A 1 2 3-|||-A= 0 4 5-|||-0 0 6 B 其它选项都不对C 1 2 3-|||-A= 0 4 5-|||-0 0 6 D 1 2 3-|
设A= (matrix (1 3 2 0 1 5 6 -2 4) ),B= (matrix (2 0 1 1 -1 3 5 0 5) ),则mid
[单选题,A2型题,A1/A2型题] 数列6、-2、5、0、1、4、-1的中位数是()。A . 2B . 0.5C . 3D . 1E . 1.9
[单选题]数列6、-2、5、0、1、4、-1的中位数是A.2B.0.5C.3D.1E.1.9
求解行列式2 4 4 -3-|||-__-|||-1 -6 -2 1-|||--3 5 2 0-|||-4 -12 0 3。求解行列式。
6.已知向量组 _(1)=((1,3,2,0))^T, _(2)=((7,0,14,3))^T _(3)=((2,-1,0,1))^T, _(4)=((5,1,
设1 0 0 0-|||-A= -2 3 0 0-|||-0 -4 5 0-|||-0 0 -6 7,1 0 0 0-|||-A= -2 3 0 0-|||-0