Answer: _. 2. If a group of 6 people have an average age of 21, and each person is half the age of the next person, what are the ages of the 6 people? Answer: _.
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根据n多题专家分析,试题“计算题1. What percentage of area is shaded?Answer: _. 2. If a group of 6 people have an average age of 21,and each person is half the age of the next person,…”主要考查了你对 【单词、词组】 等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。
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