8,16,22,24,()。 A.18 B.22 C.26 D.28

作者: tihaiku 人气: - 评论: 0

问题 8,16,22,24,()。 A.18 B.22 C.26 D.28

选项

答案 A

解析 8X2 - 0 = 16，16X2-10 = 22，22X2-20 = 24，24X2 - 30= (18)，即本数列的规律为：（前项X2）-修正项（一个首项为0，公差为10的等差数列）。故本题正确答案为A。

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