-
2,15,7,40,77,() A、96;B、126;C、138;D、156
-
2,3,7,12,22,41,75,______ () A.126 B.128 C.132 D.138
-
8,20,42,79,() A.126 B.128C.132 D.136
-
8,20,42,79,() A.126 B.128 C.132 D.136
-
8,20,42,79,() A.126 B.128 C.132 D.136
-
2,12,30,56,90,()A.136B.132C.128D.126
-
2 15 7 40 77 ( )。A.96B.126C.138D.15