for the learning of mathematics |
| Luis Felipe Prieto-Martínez - Vol. 41 Num. 3 (2021) | ||
| Unsolved problems in plane geometry ABSTRACT | 53 | |
| Luis Felipe Prieto-Martínez - Vol. 42 Num. 1 (2022) | ||
| Moser's worm problem: an unsolved problem in plane geometry | 11 | |
| Luis Felipe Prieto-Martínez - Vol. 42 Num. 2 (2022) | ||
| Bellman’s lost in the forest problem: an unsolved problem in plane geometry | 50-51 | |
| Luis Felipe Prieto-Martínez - Vol. 42 Num. 3 (2022) | ||
| The moving sofa problem: an unsolved problem in plane geometry | 46-47 | |
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