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题目内容
List M consists of 11 numbers, all of which are integers. Each number in M is at least -22 and at most 33, and both -22 and 33 are in M . If the median of the numbers in M is 0 , what is the range of the possible values of the average (arithmetic mean) of the numbers in M ?
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以上解析由 考满分老师提供。