( ),4,18,48,100

Freeti2019-12-17  14

问题 ( ),4,18,48,100

选项 A. -16B. -8C. -4D. 0

答案D

解析三级等差数列,相邻两项的差为(4),14,30,52,再作差为(10),16,22。故答案为D。
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