1.
1,8,20,42,79,( )
A.126
B.128
C.132
D.136
2.
172,84,40,18,( )
A.22
B.16
C.7
D.5
3.
1,2,5,10,17,( )
A.23
B.25
C.26
D.28
4.
0,4,18,48,100,( )
A.140
B.160
C.180
D.200
5.
67,75,59,91,27,( )
A.155
B.147
C.136
D.128
1.答案:
解析:
故正确答案为D。
2.答案:
解析:
3.答案:
解析:
4.答案:
解析:
解析1:
故正确答案为C。
5.答案:
解析: