2,10,26,50,82,( )

Freeti2019-12-17  1

问题 2,10,26,50,82,(    )

选项 A.116B.118C.120D.122

答案D

解析本题考查多级数列。相邻项两两作差,二级数列为等差数列:8,16,24,32,(40),则未知项=82+40=122。故本题答案为D选项。
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