20/9,4/3,7/9,4/9,1/4,()A、3/7;B、5/12;C、5/36;D、7/36

20/94/37/94/91/4,( 

A3/7B5/12C5/36D7/36


相关考题:

第 31 题 11/3 , 7/3 , 1, , -5/3A.7/3B.-1/3C.5/3D.4/3

20/9,4/3,7/9,4/9,1/4,( )A.5/36B.1/6C.1/9D.1/144

-1/7,1/7,1/8,-1/4,-1/9,1/3,1/10,()A.-2/5;B.2/5;C.1/12;D.5/8;

4/9,4/3,( ),12,36A.2B.3C.4D.5

在窗口中直接键入?BETWEEN(28,3*9,4*9),则结果为______。A..T.B..F.C.27D.36

11/3,7/3,1,( ),﹣5/3A7/3B﹣1/3C5/3D4/3

1 ,2/3 , 5/9 ,( ) , 7/15 , 4/9 ,4/9A.1/2B.3/4C.2/13D.3/7

1、已知集合A={1,3,5,7,9},B={2,3,4,7,10},则A∪B=A.{1,2,3,4,5,7,9,10}B.{3,7}C.{1,5,9}D.{1,2,4,5,9,10}

2、已知集合A={1,3,5,7,9},B={2,3,4,7,10},则A∩B=A.{3,7}B.{1,2,3,4,5,7,9,10}C.{1,5,9}D.{1,2,4,5,9,10}