有一个自然数“X”,除以3的余数是2,除以4的余数是3,问“X”除以12的余数是多少? A.1 B.5 C.9 D.11

作者: tihaiku 人气: - 评论: 0
问题 有一个自然数“X”,除以3的余数是2,除以4的余数是3,问“X”除以12的余数是多少? A.1 B.5 C.9 D.11
选项
答案 D
解析 同余问题,“X”加1之后可以整除3和4,即加1后可被12整除,所以“X”除以12余数为11。

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