Kátai, Zoltán2024-09-042024-09-042005-12-01Teaching Mathematics and Computer Science, Vol. 3 No. 2 (2005) , 311-3121589-7389https://hdl.handle.net/2437/379565Let us prove: If we add 1 to the product of four consecutive natural numbers, we get a square number:…application/pdfproof without wordsfolyóiratcikkOpen AccessZoltán Kátaihttps://doi.org/10.5485/TMCS.2005.0103Teaching Mathematics and Computer Science23Teach. Math. Comp. Sci.2676-8364