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Topic
互质数
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Quizzes in 互质数 for SSC
数学
算术与数系
下面哪些整数对是互质的(没有大于1的公因数)?可多选。
14 和 25
18 和 27
8 和 15
21 和 35
Correct answer(s):
14 和 25
8 和 15