1,8,9,17,26,( )。A. 126 B. 59 C. 43 D. 37

作者: tihaiku 人气: - 评论: 0
问题 1,8,9,17,26,( )。
选项 A. 126 B. 59 C. 43 D. 37
答案 C
解析 递推和数列。前两项之和等于第三项,即1 + 8 = 9,8 + 9 = 17,9 + 17 = 26,下一项应该为17+26 = 43。答案选C。

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