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$$p$$ and $$n$$ are positive integers less than 30. $$p$$ is a prime number, while $$n$$ is not a prime number.
Which of the following CANNOT be the sum of $$n$$ and $$p$$?
Indicate all such numbers.
Which of the following CANNOT be the sum of $$n$$ and $$p$$?
Indicate all such numbers.
C显示答案
· 相关考点
1.5.1 质数
以上解析由 考满分老师提供。
