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The present ages of 3 people are consecutive whole numbers of years. Ten years from now their average (arithmetic mean) age will be 3 times their average age now. What is the present age of the oldest person?
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· 相关考点
1.3.3 连续奇数个整数 1.3.3 奇数个连续整数 考察角度一：3个连续整数
以上解析由 考满分老师提供。
