2010 AMC 10A 第 1 题
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所有题目均经美国数学协会(MAA)官方合法授权使用。
1.
Mary 书架最上层有五本书,它们的宽度分别为 、、、 和 厘米。
这些书的平均宽度是多少厘米?
Mary’s top book shelf holds five books with the following widths, in centimeters: and
What is the average book width, in centimeters?
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