1/9,2/27,1/27,()A,4/27;B,7/9;C,5/18;D,4/243;
1/9,2/27,1/27,( )
A,4/27;B,7/9;C,5/18;D,4/243;
相关考题:
0,1/9,2/27,1/27, ( ) A.27 B.7/9 C.5/18 D.4/243
1/9,2/27,1/27,( )
A,4/27;B,7/9;C,5/18;D,4/243;