-9,-2,17,54,(),206
A.95
B.105
C.115
D.125
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2 , 10 , 5 , 25 , 9 , 45 , 3 , ()A . 17 B . 20 C . 2 D . 15
2, 10, 5, 25, 9, 45, 3, () A.17 B.20 C.2 D.15
17, 10, 9, 6, 1, 2, (. )。A.O B.1 C.2 D.3
-9,-2,17,54,(),206A.95B.105 C.115D.125
1,2,1,6,9,10,()A.13B.12C.19 D.17
-9,-2,17,54,(),206A.95B.105C.115 D.125