一道公务员考试题:-14,0,2,4,18,()A.24 B.-36 C.48 D.56
问题描述:
一道公务员考试题:-14,0,2,4,18,()
A.24 B.-36 C.48 D.56
答
三级等差
-14,0,2,4,18,( )
做差有14,2,2,14,38
做差有-12,0,12,24
做差有12,12,12
所以?=18+38=56