A.31/34
B.33/36
C.35/38
D.37/40
[单选题]0,1/2,8/11,5/6,8/9,()A.31/34 B.33/36 C.35/38 D.37/40
[单选题]0,1/3, 5/8,5/6,9/10,( )A.5/6B.8/9C.13/14D.21/20
[单选题]0,1/3,5/8,5/6,9/10,( )A.5/6 B.8/9 C.13/14 D.21/20
[单选题]0,1/3,5/8,5/6,9/10,( )A.5/6 B.8/9C.13/14 D.21/20
[单选题]0,1/3,5/8,5/6,9/10,( )A.5/6 B.8/9 C.13/14 D.21/20
[单选题]2,-6,8,-4,-8,( )
[单选题]0,1/2 ,0, 1/8 ,0, 1/32 ,0,( )A. 1/120 B. 1/122 C. 1/124 D. 1/128
[单选题]:1/2,2/3,2/5,1/2,8/13,()。A.32/21 B.7/15 C. 9/11 D. 1
[单选题]1/2,2/3,2/5,1/2,8/13,()。A.32/21 B.7/15 C. 9/11 D. 1
[单选题]0,1/6,3/8,1/2,1/2,( )A.5/13 B7/13 C5/12 D7/12