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  3. The sum of n integers is greater than 48. If the average (arithmetic mean) of th

The sum of n integers is greater than 48. If the average (arithmetic mean) of th

游客2024-01-12  25
问题 The sum of n integers is greater than 48. If the average (arithmetic mean) of the n integers is 1.2, what is the least possible value of n? ________.
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答案 45
解析 根据题目，1.2n＞48→n＞40，n个数均为整数，和也是整数，即1.2n为整数，n最小是45。
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