2/65,7/54,22/45,(),202/33,607/30。
A. 65/39 B. 67/38 C. 7/4 D. 33/19
1, 9, 7, 27, 13, (), 19, 63 A.25 B.33 C.45 D.54
1,9,7,27,13,(),19,63A.25 B.33 C.45 D.54
-2,5,6,17,22,()。 A.33 B.42 C.37 D.54
2,7,22,67,202,()。A.405B.506C.607D.708
2,7,22,67,202,()。A.405 B.506 C.607 D.708
2,7,22,67,202,()。A.405 B.506 C.607 D.708