| A (1)book ____ (2)go ____ (3)offer ____ (4)turn ____ (5)wait ____ |
B a.straight on to the end of the street b.right at the second crossroad c.an air ticket d.at the taxi rank e.a wide range of service |
与向量(1,2,3)^T,(3,4,5)^T都正交的向量是()(1,2,3)^T,(3,4,5)^T(1,2,3)^T,(3,4,5)^T(1,2,3)^T,(
给定向量组α1=(1,-2,3,-1,2)T,α2=(3,-1,5,-3,1)T,α3=(5,0,7,-5,-4)T,α4=(2,1,2,-2,-3)T,求:
(2)已知向量组 _(1)=((1,-1,0,5))^T, _(2)=((2,0,1,4))^T, _(3)=((3,1,2,3))^T _(4)=(4,2,3
[单选题]已知向量组α1=(3,2,-5)T,α2=(3,-1,3)T,,α4=(6,-2,6)T,则该向量组的一个极大无关组是()。A . α2,α4B . α3,α4C . α1,α2D . α2,α3
5.求向量组vec(a)_(1)=(1,-1,2,4)^T,vec(a)_(2)=(0,3,1,2)^T,vec(a)_(3)=(3,0,7,14)^T,vec
13、已知向量组a_(1)=(1,0,2,1)^T,a_(2)=(1,2,0,1)^T,a_(3)=(2,1,3,0)^T,a_(4)=(2,5,-1,4)^T
[单选题]已知森林F={T1,T2,T3,T4,T5),各棵树Ti(i=1,2,3,4,5)中所含结点的个数分别为7,3,5,1,2,则与F对应二叉树的右子树中的结点个数为 ( )A.2B.3C.8D.11
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,
1 . wait for, the bus, arrive, decide to, finish, read the book, borrow from the
Dont jump the queue. You _______ wait your turn.2. I _______ feed my dog many ki