问题
-
:4,2/3,20/27,7/16,36/125,() A.39/144B.11/54C.68/169D.7
-
:1,3,4,7,11,() A.14B.16C.18D.20
-
4, 3/2, 20/27, 7/16, 36/125, () A.39/144 B.11/54 C.68/196 D.7
-
3/4, 7/11, 18/29, ()。A.47/76 B.25/40 C.28/33 D.49/77
-
4,2/3,20/27,7/16,36/125,() A.39/144 B.11/54 C.68/169 D.7
-
1,3,2,4,2,7,4,11,(),()。A.6,19 B.8,18 C.10,20 D.16,22