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题库 / GMATAdvanced-PS-56
Five integers between 10 and 99, inclusive, are to be formed by using each of the ten digits exactly once in such a way that the sum of the five integers is as small as possible.What is the greatest possible integer that could be among these five numbers?
98
91
59
50
37
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digit：
tenth digit, hundredth digit 十分位，百分位
units digits, tens digit, hundreds digit 个位数，十位数，百位数
ten digits十个数字，如：
The number 57306 contains five digits. 包含5个数字
a 3-digit integer 一个3位数的整数
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