1、填入括号内的数是:2/6,8/24,32/96,128/384,( )
A.567/1701 B.613/2452
C.720/2160 D.512/1536
2、4,10,8,17,12,( ),16,31
A.14 B.15 C.23 D.24
3.填入括号内的数是:1.16,8.25,27.36,64.49,( )
A.65.25 B.125.64 C.125.81 D.125.01
4、8,9,16,17,32,25,64,( )
A.60 B.55 C.48 D.33
5、-1,1,7,17,31,( ),71
A.41 B.37 C.49 D.50