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On the number line, point M (not shown) is between points K and N, and the coordinate of M is x. If the distance from K to M is the average (arithmetic mean) of the distance from K to N and the distance from M to N, what is the value of x?
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· 相关考点
5.2.1 平均值 2.3.1 实数轴
5.2.1 平均值
2.3.1 实数轴
以上解析由 考满分老师提供。