1 5,10,17,26,( )
A 30 B43 C 37 D 41
3 1,13,45,97,( )
A 169 B 125 C 137 D 189
4 1,01,2,002,3,0003, ( )…
A 40003 B 4003 C 400004 D 40004
5 2,3,6,36,( )
A 48 B 54 C 72 D 1296
6 3,6,9,( )
A 12 B 14 C 16 D 24
7 1,312,623,( )
A 718 B 934 C 819 D 518
8 8,7,15,22,( )
A 37 B 25 C 44 D 39
9 3,5,9,17,( )
A 25 B 33 C 29 D 37
10 20,31,43,56,( )
A 68 B 72 C 80 D 70
13 144,72,18,3,( )
A 1 B 1/3 C 3/8 D 2
14 1,2,3,5,8,( )
A 15 B 14 C 13 D 12
15 8,11,14,17,( )
A 20 B 19 C 21 D 23
16 3,2,5/3,3/2,( )
A 7/5 B 5/6 C 3/5 D 3/4
17 13,21,34,55,( )
A 67 B 89 C 73 D 83
18 1,1,3/2,2/3,5/4,( )
A 4/5 B 5/7 C 6/7 D 1/5
19 1,4,27,256,( )
A 81 B 56 C 144 D 3125
20 3/8,15/24,35/48,( )
A 25/56 B 53/75 C 63/80 D 75/96
21 0,4/27,16/125,36/343,( )
A 64/729 B 64/523 C 51/649 D 3/512
22 1,2,9,28,( )
A 57 B 68 C 65 D 74
24 2,2,8,72,( )
A 81 B 1152 C 121 D 256
25 23,27,31,( )
A 39 B 41 C 35 D 40
26 9,7,2,5,( )
A -7 B -2 C -3 D 3
27 5.8,4.7,3.5,( )
A 2.1 B 2.2 C 2.3 D 3.1
28 79,21,58,-37,( )
A 75 B 95 C -48 D -67
29 31,72,103,175,( )
A 215 B 196 C 278 D 239
30 1,10,11,21,32,( )
A 43 B 42 C 53 D 45
31 5,6,10,9,15,12,( ),( )
A 20,16 B 30,17 C 20,15 D 15,20
32 1/5,1/10,1/17,1/26,( )
A 1/54 B 1/37 C 1/49 D 1/53
33 9,81,729,( )
A 6561 B 5661 C 7651 D 2351
34 78,F61,46,33,( )
A 21 B 22 C 27 D 25
35 2,3,6,18,( )
A 20 B 36 C 72 D 108
36 0,3/2,4,15/2,( )
A 35/2 B 10 C 25/2 D 12
38 2,-4,8,-16,( )
A 32 B -32 C 64 D -64
39 1,2,6,24,( )
A 72 B 36 C 120 D 96
40 5,6,8,11,( )
A 16 B 20 C 25 D 15
41 0,1/9,-1,1/3,4,1,( ),( )
A -9,6 B -9,3 C 3,-9 D -9,-3
43 2,9,64,( )
A 75 B 96 C 125 D 625
44 1,0,1,2,( )
A 4 B 3 C 5 D 2
45 99,89,78,66,53,( )
A 42 B 37 C 39 D 25
46 0,201,403,( )
A 606 B 809 C 706 D 305
47 1/3,1/6,1/2,2/3,( )
A 1 B 6/5 C 3/2 D 7/6
48 78.5,77.4,76.2,74.9,( )
A 73.9 B 73.8 C 73.5 D 72.7
49 98,128,162,( )
A 200 B 196 C 184 D 178
50 10,26,42,58,( )
A 60 B 74 C 82 D 86
四、答案要点精解
1 C2 D3 A4 C5 D6 A7 B8 A9 B10 D 11 C12 A13 C14 C15 A16 A17 B18 A19 D20 C21 A22 C23 D24 B25 C26 C27 B28 B29 C30 C31 C32 B33 A34 B35 D36 D37 B38 A39 C40 D41 B42 B43 D44 B45 C46 A47 D48 C49 A50 B