7,13,20,25,31,()
A.35
B.36
C.37
D.38
0,1/2,8/11,5/6,8/9,() A.31/34 B.33/36 C.35/38 D.37/40
2,7,13,20,25,31,() A.35 B.36 C.37 D.38
0,1/2,8/11,5/6,8/9,()A.31/34 B.33/36 C.35/38 D.37/40
1,3,13,15,27,29,35,()A.36 B.37 C.38 D.39
2,7,13,20,25,31,__________ 。 A.35B.36C.37D.38
2,7,13,20,25,31,()。A.35.B.36C.37D.38