| 找规律 (1)5,50,500,( ) A.5 B.50 C.500 D.5000 (2)1,3,7,13,( ),31 A.14 B.16 C.18 D.21 (3)0,1,3,6,10,( ) A.13 B.14 C.15 D.16 (4)5,5,10,15,25,( ),65 A.30 B.40 C.50 D.60 |
| 找规律 (1)5,50,500,( ) A.5 B.50 C.500 D.5000 (2)1,3,7,13,( ),31 A.14 B.16 C.18 D.21 (3)0,1,3,6,10,( ) A.13 B.14 C.15 D.16 (4)5,5,10,15,25,( ),65 A.30 B.40 C.50 D.60 |