:1,2/3,5/9,1/2,7/15,4/9,( )。A.5/9B.3/5C.2/13D.3/7

:1,2/3,5/9,1/2,7/15,4/9,( )。

A.5/9

B.3/5

C.2/13

D.3/7


相关考题:

20/9,4/3,7/9,4/9,1/4,( )A.5/36B.1/6C.1/9D.1/144

0,1/3,5/8,5/6,9/10,( )A.5/6 B.8/9C.13/14 D.21/20

20/9,4/3,7/9,4/9,1/4,()A、3/7;B、5/12;C、5/36;D、7/36

1,2/3,5/9,1/2,7/15,4/9,( )。A.5/9B.3/5C.2/13D.3/7

有以下程序:程序运行后的输出结果是( )。A.2,3,1,6,8,7,5,4,10,9,B.3,4,2,7,9,8,6,5,11,10,C.2,4,3,9,12,12,11,11,18,9,D.1,2,3,6,8,7,5,4,10,9,

有以下程序:程序运行后的输出结果是( )。A.2,4,3,9,12,12,11,11,18,9,B.3,4,2,7,9,8,6,5,11,10,C.2,3,1,6,8,7,5,4,10,9,D.1,2,3,6,8,7,5,4,10,9,

3,0,5, -2,7,( ) A. 9B. 0C. -9D. -4

1 ,2/3 , 5/9 ,( ) , 7/15 , 4/9 ,4/9A.1/2B.3/4C.2/13D.3/7

5/2,7/5,9/10, ,1/2. A. 13/12B. 11/17C. 9/22D. 7/27