2,3,10,23,()。 A.35 B.42 C.68 D.79

作者: tihaiku 人气: - 评论: 0
问题 2,3,10,23,()。 A.35 B.42 C.68 D.79
选项
答案 B
解析 后项减前项得新数列:1,7,13,(19),新数列是一个公差为6的等差数列,可知括号内数字为23 + 19 = 42,故本题正确答案为B。

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