1 6 13 22 ()
A.27
B.29
C.33
D.46
请帮忙给出正确答案和分析,谢谢!
1/8,1/6, 9/22,27/40,() A.27/16 B.27/14 C.8
1,6,13,() A.22;B.21;C.20;D.19;
11,13,17,19,23,() A.27 B.29 C.31 D.33
1 6 13 22 () A.27 B.29 C.33 D.46
1,6,13,22,() A.27 B.29 C.33 D.46
13, 17, 21, 25, (), 33。A.27 B.29 C.31 D.32