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If n is an odd integer, which one of the following is an even integer?A、n * nB、
If n is an odd integer, which one of the following is an even integer?A、n * nB、
游客
2023-10-17
69
管理
问题
If n is an odd integer, which one of the following is an even integer?
选项
A、n * n
B、n/4
C、2n+3
D、n*(n+3)
答案
D
解析
题目问如果n是奇数,下列哪个数是偶数?如果n是一个奇数,那么(n +3)就是一个偶数,它们的乘积n*(n+3)一定是一个偶数。
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