Home›Browse›偶函數🌐中文EnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربية한국어中文日本語EntityQ12138960· pop 9偶函數Sign in to save可以令f(x)=f(-x)成立的函數fWikidata factsSubclass offunctionPart ofeven and odd functionsShow 3 more factsmaintained by WikiProjectWikiProject Mathematicshas characteristicreflection symmetryopposite ofodd functionvia Wikidata · CC0Available in 9 languagesDeutsch日本語CzechGreekIrishNederlandsTürkçeUkrainianvia Wikidata sitelinks · CC0