[单选题]:1/3,1/4,1/6,1/12,1/36,()。A.1/72 B.1/144 C.1/216 D.1/432
[单选题]1/3,1/4,1/6,1/12,1/36,()。A.1/72 B.1/144 C.1/216 D.1/432
[试题]设向量组α1=(1,2,3,6),α2=(1,-1,2,4),α3=(-1,1,-2,-8),α4=(1,2,3,2).(1)求该向量组的一个极大线性无关组;
[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
[单选题]已知A(1)=1,A(2)=2,A(3)=6,A(4)=8则A(A(1)+A(2))=()。A . 8B . 6C . 2D . 1
[主观题]1-1/2=1/21/2-1/3=()/()1/3-1/4=()/()1/4-1/5=()/()从上题中你能发现什么?用你的发现计算:
[单选题]1/2,1,4/3,19/12,( )A.118/60 B.119/19 C.109/36 D.107/60
[单选题]1/2,1,4/3,19/12,( )A.133/60B.137/60C.107/60D.147/60