Home›Browse›عقدة متصالبة🌐العربيةEnglishEspañolPortuguêsالعربية中文日本語EntityQ3890126· pop 7· linked from 90 articlesعقدة متصالبةSign in to savethumb|right|300px|A crunode at the origin of the curve defined by y^2 - x^2(x+1)=0.Wikidata factsShow 1 more factmaintained by WikiProjectWikiProject Mathematicsvia Wikidata · CC0Available in 7 languagesEspañol中文PortuguêsEsperantoRomanianSlovenianvia Wikidata sitelinks · CC0