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Results tagged with puzzle
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user 6506
Recreational mathematics or puzzles with serious mathematical content. Note that math contest problems are generally considered off-topic.
38
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What is this subgroup of $\mathfrak S_{12}$?
The invariance group of the solutions set can be given a geometric interpretation as follows. Note that $\mathfrak{S}_4 \times \frac{\mathbf{Z}}{2\mathbf{Z}}$ is none other than the group of isometrie …
- 20.8k
31
votes
cube + cube + cube = cube
The solution mentioned in the question consists in fact of $9$ pieces, as shown in the following picture I took yesterday. I don't know whether a solution with $8$ pieces exists.
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