A . 46
B . 20
C . 12
D . 44
[主观题]1,2,2,6,3,15,3,21,4,()A.46;B.20;C.12;D.44;
[问答题]设向量组α1=(1,2,3,4),α2=(2,3,4,5,),α3=(3,4,5,6),α4=(4,5,6,7),则秩(α1,α2,α3,α4)=--
[问答题]设向量组α1=(1,2,3,4),α2=(2,3,4,5,),α3=(3,4,5,6),α4=(4,5,6,7),则秩(α1,α2,α3,α4)=--
[问答题]设向量组α1=(1,2,3,4),α2=(2,3,4,5,),α3=(3,4,5,6),α4=(4,5,6,7),则秩(α1,α2,α3,α4)=--
[单选题]1 2 1 3 1 4 4 3 15 7 ? 13A.18 B.20 C.24 D.40
[单选题]:1,2,2,3,4,6,( )。A.7 B.8 C.9 D.10
[单选题]1 21 31 44 315 7( ) 13A.18 B、20 C、24 D、40
[单选题]2,3,4,1,6,-1,( )A.5 B.6 C.7 D.8
[单选题]2,3,4,1,6,-1,( )A.5B.6C.7D.8
[单选题]2,3,4,1,6,-1,( )A.5 B.6C.7 D.8