Every number is the beginning of a power of 2Perucca, Antonella ![]() Article for general public (2021) Detailed reference viewed: 108 (9 UL) Staircase numbersPerucca, Antonella ![]() Article for general public (2021) Detailed reference viewed: 119 (1 UL) The ABCD of cyclic quadrilateralsBegalla, Engjell ; Perucca, Antonella ![]() Article for general public (2020) Detailed reference viewed: 261 (1 UL) The seven bridges of KönigsbergPerucca, Antonella ![]() Article for general public (2020) Detailed reference viewed: 230 (5 UL) Four points, two distancesPerucca, Antonella ![]() Article for general public (2020) Detailed reference viewed: 122 (1 UL) The 15 puzzlePerucca, Antonella ![]() Article for general public (2020) Detailed reference viewed: 131 (8 UL) The Art Gallery ProblemPerucca, Antonella ![]() Article for general public (2019) Detailed reference viewed: 220 (9 UL) Trigonometry for the multiples of 3 degreesPerucca, Antonella ; Stranen, Deborah ![]() Article for general public (2019) Detailed reference viewed: 106 (8 UL) Driehoeken met onderling 5 gelijke zijden en hoekenPerucca, Antonella ; Article for general public (2018) Detailed reference viewed: 274 (7 UL) |
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