:-2,1,7,16,(),43
A.25
B.28
C.31
D.35
6,7,8,13,15,21,(),36 A.27B.28C.31D.35
-2,1,7,16,(),43 A.25 B.28 C.31 D.35
-2,1,7,16,(),43。A.25 B.28 C.31 D.35
-21716()43 A.25B.28C.31D.35
-2,1,7,16,(),43 A.25 B.28 C.31 D.35
-7,0,1,2,9,()A.16B.28C.36 D.18