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标题:
这题真的一脸懵,求大神帮忙!!!
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作者:
听力不太好
时间:
2020-11-8 15:48:40
标题:
这题真的一脸懵,求大神帮忙!!!
143. x and n are positive integers, such that 7???? = 10???? ? 1. What is the 99th smallest possible value of n?
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