1,9,18,29,43,61,( ?) A82 B83 C84 D85

shuhaiku2019-12-17  10

问题 1,9,18,29,43,61,( ?)A82B83C84D85

选项

答案C

解析[img]/upload/tiku/263/2963999_1.png[/img]
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