教你巧妙入手奥林匹克数学难题，加拿大2022年奥林匹克数学竞赛第1题
Synopsis
奥林匹克数学竞赛，有个特点：往往结果很简单，但过程很难。所以，在脑风暴分析阶段，如果能猜出题目的结果，会直接启发解题 ...
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