1.20 20 33 59 98 ( )
A.150
B.152
C.154
D.156
2.675 225 90 45 30 30 ( )
A.27
B.38
C.60
D.124
3.28 16 12 4 8 ( )
A.-8
B.6
C.-4
D.2
4.3 3 5 10 7 21 9 36 ( )
A.10 50
B.11 45
C.11 55
D.11 40
5.64 48 36 27 81/4 ( )
A.97/6
B. 123/38
C.179/12
D.243/16
69. 2 3 20 92 448 ( )
A.2160
B.2060
C.1960
D.1860
7. 1.03 2.05 2.07 4.09 ( ) 8.13
A.8.17
B.8.15
C.4.13
D.4.11
8. 1 8 20 42 79 ( )
A.126
B.128
C.132
D.136
9.2000.1.1， 2002.3.5， 2004.5.9， 2006.7.13， ( )
A.2008.8.8
B.2008.18.16
C.2008.9.20
D.2008.9.17
10.2， 7， 14， 98， ( )
A.1370
B.1372
C.1422
D.2008
