标签: Borromean

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你解决了吗? The magic of the Borromean rings

104 观看次数0 评论

Earlier today I set the following puzzle, inspired by the Borromean rings (剩下), which are three interlocking loops with the property that when you remove any one of them, the other two are no longer linked. In the p...

你能解决吗? The magic of the Borromean rings

105 观看次数0 评论

The image above is the Borromean rings, three interlinked rings that have the curious property that when any one of the rings is removed, the other two are no longer linked. The rings are studied by mathematicians and...