33.3,10,21,35,51,( ) A.59 B.66 C.68 D.72 34.1/4,2/5,5/7,1,17/14,( ) A.25/17 B.26/
问题描述:
33.3,10,21,35,51,( ) A.59 B.66 C.68 D.72 34.1/4,2/5,5/7,1,17/14,( ) A.25/17 B.26/
答
1