一道数列推理题:8/9,-2/3,1/2,-/3/8( )

问题描述:

一道数列推理题:8/9,-2/3,1/2,-/3/8( )

(-2/3)/(8/9)=-3/4
(1/2)/(-2/3)=-3/4
(-3/8)/(1/2)=-3/4
所以()/(-3/8)=-3/4
所以()=9/32