2. 外语
  3. If 2, 4, 6, 7, 8, and 9 are the digits of two 3-digit integers, what is the least possible positive difference between the integ

If 2, 4, 6, 7, 8, and 9 are the digits of two 3-digit integers, what is the least possible positive difference between the integ

admin2019-10-11  59
问题 If 2, 4, 6, 7, 8, and 9 are the digits of two 3-digit integers, what is the least possible positive difference between the integers? ________.
选项
答案26
解析 要想使差值小，首先满足百位数应该最接近，满足条件的百位数是6和7，继而让百位是6的十位数越大，则十位是9，让百位是7的十位数越小，则十位是2，再让百位是6的个位数越大，百位是7的个位数越小，则最后拼成的两个两位数是724和698，差值为26。
转载请注明原文地址:https://kaotiyun.com/show/KckO777K
本试题收录于： GRE QUANTITATIVE题库GRE分类
0

GRE QUANTITATIVE

GRE

相关试题推荐
随机试题
最新回复(0)