20/9 4/3 7/9 4/9 1/4 ) 问:第5个填什么,A.5/36 B.1/6 C.1/9 D.1/144谢谢了,

问题描述:

20/9 4/3 7/9 4/9 1/4 ) 问:第5个填什么,A.5/36 B.1/6 C.1/9 D.1/144谢谢了,

选C.1/9