1.1/8,1/6,9/22,27/40,( ) A.27/16 B.27/14 C.81/40 D.81/44 求详解
1.1/8,1/6,9/22,27/40,( ) A.27/16 B.27/14 C.81/40 D.81/44 求详解
1.1/8,1/6,9/22,27/40,( )
A.27/16 B.27/14 C.81/40 D.81/44
2.3,4,12,18,44,( )
A.44 B.56 C.78 D.79
3.4,5,15,6,7,35,8,9,( )
A.27 B.15 C.72 D.63
4.1526,4769,2154,5397
A.2317 B.1545 C.1469 D.5213