3×5, 5×7, 7×11, 11×13, 13×17, ( ) A: 17×23 B: 17×19 C: 17×21 D: 17×25
3×5, 5×7, 7×11, 11×13, 13×17, ( ) A: 17×23 B: 17×19 C: 17×21 D: 17×25
1/2*5+1/5*8+1/8*11+1/11*14+1/14*17=?
1/2*5+1/5*8+1/8*11+1/11*14+1/14*17=?
5、A(:) = 1:2:24A =1 5 9 13 17 213 7 11 15 19 23
5、A(:) = 1:2:24A =1 5 9 13 17 213 7 11 15 19 23
向量(12, 5, 0)的2范数是( ) A: 13 B: 12 C: 17 D: 0
向量(12, 5, 0)的2范数是( ) A: 13 B: 12 C: 17 D: 0
V={7, 2, 3, 11, 17, 5, 19, 13} After two scan exchange of V, V[6] = V={7, 2, 3, 11, 17, 5, 19, 13},对V进行两次扫描交换后V[6] =
V={7, 2, 3, 11, 17, 5, 19, 13} After two scan exchange of V, V[6] = V={7, 2, 3, 11, 17, 5, 19, 13},对V进行两次扫描交换后V[6] =
(1)5 7 9 11() () ()()(2)26 23 20 17()() 8()(3)1 2 4 7 11() () 29(4)7 3 8 3 9 3()()(5)1 1 2 3 5 8()()
(1)5 7 9 11() () ()()(2)26 23 20 17()() 8()(3)1 2 4 7 11() () 29(4)7 3 8 3 9 3()()(5)1 1 2 3 5 8()()
含碳量的铁碳合金称为钢() A: 0·8%-2·11% B: 0·0218%-2·11% C: 0·02%-2·11% D: 0·01%-2·11%
含碳量的铁碳合金称为钢() A: 0·8%-2·11% B: 0·0218%-2·11% C: 0·02%-2·11% D: 0·01%-2·11%
5/6, 6/11, 11/17, 17/28,( ) A: 28/42 B: 28/43 C: 28/45 D: 28/44
5/6, 6/11, 11/17, 17/28,( ) A: 28/42 B: 28/43 C: 28/45 D: 28/44
设DES加密算法中的一个S盒为: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 15 12 8 2 4 9 1 7 5 11 A: 1010 B: 0001 C: 1011 D: 0111
设DES加密算法中的一个S盒为: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 15 12 8 2 4 9 1 7 5 11 A: 1010 B: 0001 C: 1011 D: 0111
下面是图的拓扑排序的是?(多选)[img=340x240]1802faef6ebcc2a.png[/img] A: 2 8 0 7 1 3 5 6 4 9 10 11 12 B: 2 8 7 0 6 9 11 12 10 1 3 5 4 C: 8 2 7 3 0 6 1 5 4 9 10 11 12 D: 8 2 7 0 6 9 10 11 12 1 3 5 4
下面是图的拓扑排序的是?(多选)[img=340x240]1802faef6ebcc2a.png[/img] A: 2 8 0 7 1 3 5 6 4 9 10 11 12 B: 2 8 7 0 6 9 11 12 10 1 3 5 4 C: 8 2 7 3 0 6 1 5 4 9 10 11 12 D: 8 2 7 0 6 9 10 11 12 1 3 5 4