A.13/4 B. –16/5 C-13/4 D.16/5
[单选题]-1 1 -4/3 2 ( ) 16/3A.13/4B. –16/5C.-13/4D.16/5
[单选题]1,2,1/2,-3/4,-5/8,1/16,()A.11/32B.1/8C.1/4D.1/2
[单选题]2/3,1/4,2/5,(),2/7,1/16,A.1/5;B.1/17;c.1/22;d.1/9
[单选题]2/3,1/4,2/5,(),2/7,1/16,A.1/5;B.1/17;C.1/22;D.1/9;
[主观题]1-1/2=1/21/2-1/3=()/()1/3-1/4=()/()1/4-1/5=()/()从上题中你能发现什么?用你的发现计算:
[单选题]1 2 1 3 1 4 4 3 15 7 ? 13A.18 B.20 C.24 D.40
[主观题]1,1,2,2,3,4,3,5,()
[单选题]1,1,2,2,3,4,3,5,()A . 1B . 3C . 5D . 6
[单选题]( ),-1/4,-3/8,-5/16A.-1 B.-1/2 C.1/2 D.1
[单选题]:1,3,4,8,16,( )。A.26B.24C.32D.16