0.25, 0.5,2,(),2,0.5。 A. 1B.4C.0.25D.0.125
0.25, 0.5,2,(),2,0.5。
A. 1
B.4
C.0.25
D.0.125
B.4
C.0.25
D.0.125
参考解析
解析:本题考查递推数列。An+1/An=An+2。0. 5/0. 25 = 2,2/0. 5 = (4),(4)/2 = 2, 2/(4)=0. 5。
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