Opvarmning til algebra
- Kvadratrødder af kvadrattal
- Eksempel: Kubikroden af et negativt tal
- Ligninger med kvadratrødder og kubikrødder
- Rødder af decimaltal og brøker
- Ligninger med kvadratrødder: decimaltal og brøker
- Udfordrende opgaver i rødder
- Gennemgang af kvadratrødder
- Gennemgang af kubikrødder
Eksempel: Kubikroden af et negativt tal
Lær at finde kubikroden af -512. Lavet af Sal Khan og Montereys Institut for teknologi og undervisning.
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