A.37
B.49
C.47
D.52
[单选题]12,9,18,33,96,21,( ),( )。A.39,3B.12,24C.26,27D.36,51
[单选题]:3,6,12,2l,33,( )A.44B.46C.48D.50
[单选题]36,21,15,6,(),-3,12。A. 2 B. 3 C. 7 D. 9
[单选题]2 6 21 43 82 ( )A . 130B . 134C . 144D . 156
[单选题]-2,6,6,-12,12,-36,()A.144B.-108C.-196D.256
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2
[单选题]设向量组(Ⅰ):α1=(a11,a21,a31)T,α2=(a12,a22,a32)T,α3=(a13,a23,a33)T,向量组(Ⅱ):β1=(a1
[单选题]设向量组(Ⅰ):α1=(a11,a21,a31)T,α2=(a12,a22,a32)T,α3=(a13,a23,a33)T,向量组(Ⅱ):β1=(a1
[单选题]设向量组(Ⅰ):α1=(a11,a21,a31)T,α2=(a12,a22,a32)T,α3=(a13,a23,a33)T,向量组(Ⅱ):β1=(a1
已知a11 a12 a13-|||-a21 a22 a23-|||-a31 a32 a33,求a11 a12 a13-|||-a21 a22 a23-|||-a