Druhú mocninu ľubovolného dvojciferného čísla je možné vypočítať i takto:
48^2 = 50.46 + 2^2 = 2304
54^2 = 58.50 + 4^2 = 2916
atď.
Skúste odôvodniť a vysvetliť pravidlo.
Albanian | Arabic | Bulgarian | Catalan | Chinese | Croatian | Czech | Danish | Dutch | English | Estonian | Filipino | Finnish | French | Galician | German | Greek | Hebrew | Hindi | Hungarian | Indonesian | Italian | Japanese | Korean | Latvian | Lithuanian | Maltese | Norwegian | Polish | Portuguese | Romanian | Russian | Serbian | Slovak | Slovenian | Spanish | Swedish | Thai | Turkish | Ukrainian | Vietnamese | (Get this widget)