1. 2, 4, 7, 18, 56, ( ) A.186 B.208 C.158 D.132 2. 1, 5, 19, 81, 411, ( ) A.2473 B.2485 C.1685 D.1857 3. 3, 3, 12, 21, 165, ( ) A.649 B.606 C.289 D.343 4. 0, , , , , ( ) A. B. C. D. 5. 7, 11, 16, 25, 54, ( ) A.98 B.127 C.172 D.203 6. 3, 7, 16, 41, 90, ( ) A.121 B.211 C.181 D.256 7. 3, 12, 30, 63, 117, ( ) A.187 B.198 C.193 D.196 8. 3, 8, 22, 62, 178, ( ) A.518 B.516 C.548 D.546 9. 3, 2, , , , ( ) A. B. C. D. 10. 1, 3, 8, 33, 164, ( ) A.999 B.985 C.1024 D.1048 11
2, -6, 8, -4, -8, ( ) A
4, -6, 6, -8, 7
5, ( ) A.-7
16, 8, 12, 30, 105, ( ) A
-3, 5, 7, 4, 14, 18, ( ) A
1234, 1360, 1396, 2422, 2458, ( ) A
2632 B
2584 C
2864 D
2976 16
-2, 2, 6, 10, 46, ( ) A
146 17
4, 12, 40, 112