老师要小明在黑板上写全30以内的质数,已知小明在黑板上所写质数的总和为100,则小明漏写的是哪个质数( )。A.29 B.27 C.17 D.11

作者: tihaiku 人气: - 评论: 0
问题 老师要小明在黑板上写全30以内的质数,已知小明在黑板上所写质数的总和为100,则小明漏写的是哪个质数( )。
选项 A.29 B.27 C.17 D.11
答案 A
解析 30以内的质数有2,3,5,7,11,13,17,19,23,29,求和为129,则漏写的是29,选择A。

相关内容:老师,小明,黑板,质数,总和

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