8,6,2,-6,( ) A. -8B. -10C. -20D. -22
8,6,2,-6,( )
A. -8
B. -10
C. -20
D. -22
B. -10
C. -20
D. -22
参考解析
解析:解题指导: 本数列的前项减去后项是一个等比数列,即8-6=2,6-2=4,2-(-6)=8,下一个数是-6-16=-22,故答案为D。
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