-3,7,(),30,76,212
A.22
B.18
C.12
D.8
6 4 8 9 12 9 () 26 30A.12 B.16 C.18 D.22
0,7/3 ,22/5 ,45/7 ,76/9 ,()A.12 B.13 C. 103/11 D. 115/11
.0,7/3 ,22/5 ,45/7 ,76/9 ,() A.12 B.13 C. 103/11 D. 115/11
3,4,7,8,16,()。 A.18 B.22 C.36 D.45
-3,7,(),30,76,212A.22B.18C.12 D.8
-3,7,(),30,76,212A.22 B.18 C.12 D.8