A.15;25
B.18;25
C.25;15
D.25;18
[单选题]40,3,35,6,30,9,( )12,20,( )A.15,25B.18,25C.25,15D.25,18
[单选题]40, 3, 35, 6, 30, 9, ( ), 12, 20, ( )A. 15,225 B. 18,25 C. 25,15 D. 25,18
[单选题]3,15,6,17,9,20,12,24,( ),( )。A.15,30B.15,31C.18,36D.15,29
[单选题]9/30,7/20,______,3/6,1/2A.5/7 B.5/9 C.5/12 D.5/18
[单选题]山药的常用量是A.6~12gB.15~30gC.9~12gD.3~6gE.6~9g
[单选题]6 4 8 9 12 9 ( ) 26 30A.12 B.16 C.18 D.22
[单选题]9£¯30,7£¯20,,3£¯6,1£¯2A.5£¯7 B.5£¯9 C.5£¯12 D.5£¯189/30,7/20, ,3/6,1/2A.5/7 B.5/9 C.5/12 D.5/18
[单选题]6,12,20,30,( )。A.42B.40C.36D.28
[单选题]:6,12,20,30,42,()。A.48 B.56 C.60 D.72
[单选题]6,4,8,9,12,9,(),26,30A . 12B . 16C . 18D . 22