2. 外语
  3. In the two numerical sequences below, one number that appears in the top sequence should appear in the bottom sequence and vice

In the two numerical sequences below, one number that appears in the top sequence should appear in the bottom sequence and vice

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问题 In the two numerical sequences below, one number that appears in the top sequence should appear in the bottom sequence and vice versa. Which two numbers should be changed round? 16, 39, 63, 90, 120
18, 36, 60, 88, 120
选项
答案16，18
解析 (16和18调换顺序后，第一组数组依次为+21，+24，+27，+30得来的；第二组数字为+20，+24，+28，+32得来的。)
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本试题收录于： B类竞赛（英语专业本科专科）题库大学生英语竞赛（NECCS）分类
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B类竞赛（英语专业本科专科）

大学生英语竞赛（NECCS）

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