1971 AMC 12 第 12 题
先试着解答 1971 AMC 12 第 12 题，然后核对你的答案与精心整理的解答，解答来自 LIVE by Po-Shen Loh。你也可以参加完整限时模拟考试、查看全部 1971 AMC 12 解答，或核对答案。
所有题目均经美国数学协会（MAA）官方合法授权使用。
12.
对每个整数 ，规定：若两个正整数除以 后所得的非负余数相同，则称它们同余。若 、 和 在某个这样的体系中同余，那么在同一体系中， 与下列哪个数同余：
For each integer define positive integers to be congruent if they leave the same nonnegative remainder when divided by If and are congruent in one such system, then in that same system, is congruent to:
其他年份的第 12 题
- 1950 AMC 12
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