2004 AMC 12B 第 5 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。
5.
Isabella 从美国去加拿大旅行，带了 美元。在边境她把钱全部兑换，每 美元可换 加元。花掉 加元后，她还剩 加元。 的各位数字之和是多少？
On a trip from the United States to Canada, Isabella took U.S. dollars. At the border she exchanged them all, receiving Canadian dollars for every U.S. dollars. After spending Canadian dollars, she had Canadian dollars left. What is the sum of the digits of
其他年份的第 5 题
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